Snow-making at ski resorts goes high tech

Mother Nature has been a fickle manager of snowfall lately, sending an avalanche of powder to ski resorts across the country two years ago, followed by the least amount of snowfall in decades last winter.

A scattering of storms has already swept through the West this winter, but it's too early to tell if this season will be a snowy success or another dry disappointment.

But ski resort managers are losing less sleep over erratic weather conditions after making a flurry of investments over the last few years in ultra-efficient, computerized snow-making equipment.

Once powered by diesel air compressors and monitored by workers on snowmobiles, today's snow-making systems rely on computers, fiber-optic cables and low-energy fans that can be controlled by smartphone or programmed to automatically make snow when conditions are prime.

The good news for powder hounds is that the frozen spray generated by modern snow-making equipment is so close to real snow that even veteran skiers can't tell the difference.

"If I'm going down a run, I can't tell you if I just skied on natural or man-made snow," said Bruce Lee, a Redondo Beach resident who has been skiing for 30 years in Vermont, Pennsylvania, Utah, Colorado and California. "I'll bet no one can tell the difference."

Video chat: Tahoe ski resorts get a makeover

Investments in snow making have been especially crucial in California, where snowfall has always been particularly unreliable. The state is home to 29 resorts that generate an estimated $1.3 billion in spending a year.

Last year's ultra-dry season only reinforced the value of artificial snow-making systems. The 2011-12 season marked the lowest national average snowfall in 20 years, forcing half of the nation's resorts to either open late or close early.

The National Resources Defense Council estimates that ski resorts lost $1 billion in revenue because of meager snowfall over the last decade.

Resort operators that had already invested heavily -n snow-making equipment said man-made snow helped them avoid a complete bust.

"For us, the reaction to last year was 'Thank God we've done what we did in the past,'" said Pete Sonntag, general manager at Lake Tahoe's Heavenly ski resort, where 155 snow-making machines can cover 65% of the resort's skiable terrain.

Heavenly's snow-making system — the largest on the West Coast — can be controlled from a desktop computer at a pump house on the mountain or a smartphone carried by Barrett Burghard, the resort's senior manager for snow surfaces.

"I'm not going to lie and say we can make snow as good as Mother Nature," Burghard said as he glanced at a computer screen to check the water levels in the resort's storage tanks. "But it's close."

The best man-made snow, he said, is light and can be pressed into a snowball without oozing water.

He has another, very unscientific method for testing his machine-spewed snow: He tosses it against his arm to see how it bounces off his sleeve. "There's an art to making snow," Burghard said.

In the past, snow-making was a labor-intensive task that involved teams of workers taking temperature and humidity readings throughout the night.

If the conditions were right for snow-making, workers would ride snowmobiles up the mountains to switch on snow guns, which were often powered by diesel air compressors and connected to high-pressure air and water hoses bordering ski runs.

But temperatures at different spots on a mountain can vary by several degrees, making it difficult for resort operators to gauge when and where to activate the snow guns.

Modern snow-making guns use less energy than older systems, relying on a combination of portable compressors and energy-efficient fans.

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3 dead, including gunman, in Portland, Ore., mall shooting

A gunman opened fire in a suburban Portland shopping mall Tuesday, killing two people and wounding another as people were doing their Christmas shopping, authorities said.

Witnesses described a scene of chaos and disbelief as a gunman wearing some sort of camouflage outfit and what looked like a hockey mask fired rounds fire from a military-style rifle near the food court at Clackamas Town Center.

Parents with children joined other shoppers rushing to stores' backrooms for safety as teams of police officers began entering the mall to find the shooter.

Clackamas County sheriff's Lt. James Rhodes said later that the gunman was dead, apparently from a self-inflicted gunshot wound. A shopper told KATU-TV he saw a man lying on the floor with a gun next to him.

Authorities went store-to-store to confirm that there was only one shooter and to escort hiding shoppers outside, Rhodes said.

Austin Patty, 20, who works at Macy's, said he saw a man in a white mask carrying a rifle and wearing a bulletproof vest.

He heard the gunman say, "I am the shooter," as if announcing himself, Patty said. He then fired several shots paced seconds apart.

A series of rapid-fire shots in short succession followed. Patty said he ducked to the ground and then ran.

His Macy's co-worker, Pam Moore, told The Associated Press the gunman was short, with dark hair, and dressed in camouflage.

"I heard about 20 shots and everyone hit the ground," Moore said. "That's when we all just ran."

Witnesses said the mall's Santa Claus was among those who ducked for cover.

The mall is one of the Portland area's busiest. It's in a middle-class area that has become popular with families as falling real estate prices have put its homes just a few miles from downtown Portland within financial reach.

The mall has about 185 stores and a 20-screen movie theater among anchor tenants that also include Nordstrom and J.C. Penney. Sheriff's deputies said it would remain closed during the investigation of the shooting, but it wasn't clear how long that would take.

Shaun Wik, 20, from Fairview, said he was Christmas shopping with his girlfriend Tuesday and opened a fortune cookie at the food court. Inside was written "live for today, remember yesterday, think of tomorrow."

As he read it, he heard three shots. He heard a man he believes was the gunman shout, "Get down!" but Wik and his girlfriend ran. He heard seven or eight more shots. He didn't turn around.

"If I had looked back, I might not be standing here," Wik said. "I might have been one of the ones who got hit."

Kira Rowland told KGW-TV that she was shopping at Macy's with her infant son when the shots started.

"All of a sudden you hear two shots, which sounded like balloons popping," Rowland told the station. "Everybody got on the ground. I grabbed the baby from the stroller and got on the ground."

Rowland said she heard people screaming and crying.

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Spice Girls take stage at musical premiere

LONDON (Reuters) – The Spice Girls took to the stage on Tuesday after the world premiere of a new musical loosely based on their meteoric rise to fame in the 1990s, earning huge cheers from an audience that only really got going at the encore.

“Viva Forever!” was the brainchild of producer Judy Craymer, whose “Mamma Mia!” musical based on the hits of ABBA has earned nearly $ 2 billion worldwide and spawned a hit movie starring Meryl Streep.

She teamed up with British comedian Jennifer Saunders to create a story about the central character Viva, a sprightly teenager who, along with her friends, gets into the final stages of a TV singing contest closely resembling “The X Factor”.

To boost flagging audience figures – a nod to “The X Factor”s real-life ratings woes in Britain this season – their “mentor” springs a surprise and throws out three members of the band to leave Viva on her own.

What follows is part morality tale examining what is more important – friends, family or fame – and part satire on reality television, including a callous, Simon Cowell-like producer.

“We love you Judy!” said Geri Halliwell at the end of the show, which closed with a romp through some of the Spice Girls‘ biggest hits including “Spice Up Your Life”.

“Thank you for making the Spice Girls‘ dream come true,” Halliwell added.

Halliwell was joined on stage by Victoria Beckham, Melanie Brown, Emma Bunton and Melanie Chisholm, who together stormed the charts in the 1990s and put “girl power” on the map.

Beckham, who arrived at the London premiere after her ex-bandmates, sat with her soccer star husband David and three sons, who clapped along to the music during the final medley.

NATIONAL TREASURES

Now all young mothers in their late 30s and early 40s, The Spice Girls are still affectionately known by the nicknames they adopted in the band – Posh (Beckham), Scary (Brown), Baby (Bunton), Sporty (Chisholm) and Ginger (Halliwell).

They were hailed as modern-day feminists by some and dismissed as vacuous pop princesses by others, but their success is beyond doubt. They sold 55 million records, had nine British No. 1 singles and three back-to-back Christmas No. 1s.

The band broke up around 12 years ago, and internal bickering among the members was long the delight of Britain’s celebrity-obsessed tabloids.

Perhaps surprisingly, given the bust-ups and hissy fits, the group has been united in its backing of the new musical, and underlining the Spice Girls‘ lasting popularity they played a major part in the closing ceremony at the London Olympics.

Paul Taylor, writing in the Independent newspaper, gave the musical two stars out of five in his review.

“The Spice Girls‘ songs, with their clever hooks and catchy rhythms, are better at projecting an attitude than fleshing out a dramatic situation,” he wrote, describing Saunders’ story as “charmless”, “messy” and “lackluster”.

“Not only does her script rarely give you that necessary gleeful sense of expectancy about where the songs are going to be shoe-horned in, but it’s embarrassingly derivative of ‘Mamma Mia!’ and looks way past its sell-by date in its utterly surprise-free satiric swipe at ‘X Factor’.”

Saunders said before the show that she considered herself the “sixth” Spice Girl.

“We used to travel around everywhere to see them and they were so great with my kids,” said the 54-year-old, best known for playing a self-absorbed, eccentric mother in the popular British comedy series “Absolutely Fabulous”.

“The thought of a Spice Girls musical written by somebody else was not acceptable,” she told the Daily Mirror newspaper. “Because I was so close to them, I couldn’t let it slip through my fingers.”

(Reporting by Mike Collett-White, editing by Jill Serjeant)

Music News Headlines – Yahoo! News

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Rate of Childhood Obesity Falls in Several Cities

Jessica Kourkounis for The New York Times

At William H. Ziegler Elementary in Northeast Philadelphia, students are getting acquainted with vegetables and healthy snacks.

PHILADELPHIA — After decades of rising childhood obesity rates, several American cities are reporting their first declines.

The trend has emerged in big cities like New York and Los Angeles, as well as smaller places like Anchorage, Alaska, and Kearney, Neb. The state of Mississippi has also registered a drop, but only among white students.

“It’s been nothing but bad news for 30 years, so the fact that we have any good news is a big story,” said Dr. Thomas Farley, the health commissioner in New York City, which reported a 5.5 percent decline in the number of obese schoolchildren from 2007 to 2011.

The drops are small, just 5 percent here in Philadelphia and 3 percent in Los Angeles. But experts say they are significant because they offer the first indication that the obesity epidemic, one of the nation’s most intractable health problems, may actually be reversing course.

The first dips — noted in a September report by the Robert Wood Johnson Foundation — were so surprising that some researchers did not believe them.

Deanna M. Hoelscher, a researcher at the University of Texas, who in 2010 recorded one of the earliest declines — among mostly poor Hispanic fourth graders in the El Paso area — did a double-take. “We reran the numbers a couple of times,” she said. “I kept saying, ‘Will you please check that again for me?’ ”

Researchers say they are not sure what is behind the declines. They may be an early sign of a national shift that is visible only in cities that routinely measure the height and weight of schoolchildren. The decline in Los Angeles, for instance, was for fifth, seventh and ninth graders — the grades that are measured each year — between 2005 and 2010. Nor is it clear whether the drops have more to do with fewer obese children entering school or currently enrolled children losing weight. But researchers note that declines occurred in cities that have had obesity reduction policies in place for a number of years.

Though obesity is now part of the national conversation, with aggressive advertising campaigns in major cities and a push by Michelle Obama, many scientists doubt that anti-obesity programs actually work. Individual efforts like one-time exercise programs have rarely produced results. Researchers say that it will take a broad set of policies applied systematically to effectively reverse the trend, a conclusion underscored by an Institute of Medicine report released in May.

Philadelphia has undertaken a broad assault on childhood obesity for years. Sugary drinks like sweetened iced tea, fruit punch and sports drinks started to disappear from school vending machines in 2004. A year later, new snack guidelines set calorie and fat limits, which reduced the size of snack foods like potato chips to single servings. By 2009, deep fryers were gone from cafeterias and whole milk had been replaced by one percent and skim.

Change has been slow. Schools made money on sugary drinks, and some set up rogue drink machines that had to be hunted down. Deep fat fryers, favored by school administrators who did not want to lose popular items like French fries, were unplugged only after Wayne T. Grasela, the head of food services for the school district, stopped buying oil to fill them.

But the message seems to be getting through, even if acting on it is daunting. Josh Monserrat, an eighth grader at John Welsh Elementary, uses words like “carbs,” and “portion size.” He is part of a student group that promotes healthy eating. He has even dressed as an orange to try to get other children to eat better. Still, he struggles with his own weight. He is 5-foot-3 but weighed nearly 200 pounds at his last doctor’s visit.

“I was thinking, ‘Wow, I’m obese for my age,’ ” said Josh, who is 13. “I set a goal for myself to lose 50 pounds.”

Nationally, about 17 percent of children under 20 are obese, or about 12.5 million people, according to the Centers for Disease Control and Prevention, which defines childhood obesity as a body mass index at or above the 95th percentile for children of the same age and sex. That rate, which has tripled since 1980, has leveled off in recent years but has remained at historical highs, and public health experts warn that it could bring long-term health risks.

Obese children are more likely to be obese as adults, creating a higher risk of heart disease and stroke. The American Cancer Society says that being overweight or obese is the culprit in one of seven cancer deaths. Diabetes in children is up by a fifth since 2000, according to federal data.

“I’m deeply worried about it,” said Francis S. Collins, the director of the National Institutes of Health, who added that obesity is “almost certain to result in a serious downturn in longevity based on the risks people are taking on.”

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HSBC to pay record $1.9B fine

British-owned bank HSBC is paying $1.9B to settle a US money-laundering probe. The bank was investigated for involvement in the transfer of funds from Mexican drug cartels and sanctioned nations like Iran. (Dec. 11)

HSBC has agreed to pay a record $1.92 billion fine to settle a multi-year probe by U.S. prosecutors, who accused Europe's biggest bank of failing to enforce rules designed to prevent the laundering of criminal cash.

The U.S. Justice Department on Tuesday charged the bank with failing to maintain an effective program against money laundering and conduct due diligence on certain accounts.

In documents filed in federal court in Brooklyn, it also charged the bank with violating sanctions laws by doing business with Iran, Libya, Sudan, Burma and Cuba.

HSBC Holdings Plc admitted to a breakdown of controls and apologised for its conduct.

"We accept responsibility for our past mistakes. We have said we are profoundly sorry for them, and we do so again. The HSBC of today is a fundamentally different organisation from the one that made those mistakes," said Chief Executive Stuart Gulliver.

"Over the last two years, under new senior leadership, we have been taking concrete steps to put right what went wrong and to participate actively with government authorities in bringing to light and addressing these matters."

The bank agreed to forfeit $1.256 billion and retain a compliance monitor to resolve the charges through a deferred-prosecution agreement.

The settlement offers new information about failures at HSBC to police transactions linked to Mexico, details of which were reported this summer in a sweeping U.S. Senate probe.

The Senate panel alleged that HSBC failed to maintain controls designed to prevent money laundering by drug cartels, terrorists and tax cheats, when acting as a financier to clients routing funds from places including Mexico, Iran and Syria.

The bank was unable to properly monitor $15 billion in bulk cash transactions between mid-2006 and mid-2009, and had inadequate staffing and high turnover in its compliance units, the Senate panel's July report said.

HSBC on Tuesday said it expected to also reach a settlement with British watchdog the Financial Services Authority. The FSA declined to comment.

U.S. and European banks have now agreed to settlements with U.S. regulators totalling some $5 billion in recent years on charges they violated U.S. sanctions and failed to police potentially illicit transactions.

No bank or bank executives, however, have been indicted, as prosecutors have instead used deferred prosecutions - under which criminal charges against a firm are set aside if it agrees to conditions such as paying fines and changing behaviour.

HSBC's settlement also includes agreements or consent orders with the Manhattan district attorney, the Federal Reserve and three U.S. Treasury Department units: the Office of Foreign Assets Control, the Comptroller of the Currency and the Financial Crimes Enforcement Network.

HSBC said it would pay $1.921 billion, continue to cooperate fully with regulatory and law enforcement authorities, and take further action to strengthen its compliance policies and procedures. U.S. prosecutors have agreed to defer or forego prosecution.

The settlement is the third time in a decade that HSBC has been penalized for lax controls and ordered by U.S. authorities to better monitor suspicious transactions. Directives by regulators to improve oversight came in 2003 and again in 2010.

Last month, HSBC told investors it had set aside $1.5 billion to cover fines or penalties stemming from the inquiry and warned that costs could be significantly higher.

Analyst Jim Antos of Mizuho Securities said the settlement costs were "trivial" in terms of the company's book value.

"But in terms of real cash terms, that's a huge fine to pay," said Antos, who rates HSBC a "buy".

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IHSA rules Mooseheart basketball players eligible to play

Mooseheart High School head basketball coach Ron Ahrens gives his team a pregame talk after the Illinois High School Association determined that three Sudanese athletes on the team are eligible to play. (Scott Strazzante/Chicago Tribune)

The Illinois High School Association has determined that three Sudanese athletes for Mooseheart High School are eligible to play, but the IHSA also sanctioned the school.

The state athletic governing body's executive director on Nov. 29 deemed Mangisto Deng, Akim Nyang and Makur Puou — all 6 feet, 7 inches and taller — ineligible to play for Mooseheart High School. The IHSA board reviewed the case and found them eligible today, the board president said this evening.

After nearly four hours of deliberation, the IHSA board voted unanimously to declare the students eligible.

The decision reversed IHSA Executive Director Marty Hickman's ruling last month that barred the boys from playing.

But the board also sanctioned Mooseheart by placing it on probation and barring it from participating in the 2013 state basketball tournament until school officials institute training and compliance measures to ensure that the program does not run afoul of recruiting rules in the future, and severs contact with a placement organization at the center of the controversy, African Hoop Opportunities Providing an Education, or AHOPE.

Board President Dan Klett was blunt about the IHSA's view of AHOPE.

When asked what he would say to any other school who might use AHOPE to find basketball players, Klett said, "Don't. We don't believe they are a quality organization."

Klett said AHOPE used the students as pawns, and said Mooseheart didn't do enough to make sure they were complying with IHSA rules.

Mooseheart engaged in recruiting the three basketball players and a fourth Sudanese teen who is a talented cross-country runner for athletic purposes, Hickman had said. IHSA bylaws prohibit athletic recruitment.

Mooseheart, a 99-year-old residential and educational institution for children from unstable environments, disputed Hickman's decision and won a temporary reprieve Tuesday in Kane County Court.

Judge David Akemann granted Mooseheart's request to allow the boys to play until the IHSA board of directors reviewed the case.

Attorneys for the "child city" contended it told the organization placing the boys that Mooseheart would accept Sudanese children regardless of their athletic prowess.

The attorneys also noted that Mooseheart had no contact with the boys until they arrived on its bucolic, 1,000-acre campus in Batavia in May 2011, then waited a full year — at the IHSA's direction — before allowing the teens to compete.

But IHSA attorney David J. Bressler noted that the placement organization specifies that it works with athletes exclusively and that Mooseheart basketball coach Ron Ahrens deliberately called the organization, African Hoop Opportunities Providing an Education, seeking basketball players.

The IHSA board considered Mooseheart's case in a meeting that started about 1 p.m Monday at the organization's Bloomington office.

tgregory@tribune.com

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Massive HP conference draws 10,000 attendees to ogle products, speakers, presentations

By Suzy Hansen

More than 10,000 customers, partners and attendees flocked to the Hewlett-Packard Discover conference in Frankfurt, Germany, this week to learn about HP’s latest products, exchange ideas, swap business cards and basically examine whether HP can improve the way their companies are run. The event was held at Messe Frankfurt, one of the world’s largest trade exhibition sites.

CEO Meg Whitman acknowledged in her speech on Tuesday that HP has gone through some rough times this past year. HP’s stock price has been nearly halved during her tenure. Whitman, however, pointed out that HP has $ 120 billion in revenue and is the 10th-largest company in the United States. In Q4, HP has generated $ 4.1 billion in cash flow.

“We are the No. 1 or No. 2 provider in almost every market,” Whitman told the crowd in Frankfurt.

Whitman emphasized  executives’ increasing concerns about security and said that it will be addressed by “a new approach”: HP’s security portfolio, with Autonomy and Vertica, which helps “analyze and understand the context of these events.” Executive Vice President of Enterprise Dave Donatelli spoke about converged infrastructure, or bringing together server, network and storage; their software-defined data centers; and their new servers, which “change the way servers have been defined.” George Kadifa, executive vice president of software, said 94 of the top 100 companies use HP software. HP is the sixth-largest software company in the world, with 16,000 employees in 70 countries, Kadifa added.

Also at the conference was Jeffrey Katzenberg, CEO of DreamWorks and an old friend of Whitman’s from their Disney days, who roused the crowd with a fun speech about his long relationship with HP. Katzenberg showed an old video of himself onstage with a lion, which nearly mauled him. This time, he appeared onstage with a guy in a lion suit. The lesson was to learn from past mistakes and move on.

“If I am smart enough to say ‘scalable multicorps processing,’ I am smart enough to not put myself onstage with a real lion again,” he joked.

The Discover conference is a key vehicle for HP to show off products it’s offering in the coming year. Among them were the latest ProLiant and Integrity servers, the 3PAR StoreServ 7000 and the StoreAll and StoreOnce storage systems. At the HP Labs section of the conference, attendees could learn about the cloud infrastructure or test HP’s new ElitePad 900.

Throughout the three-day event, which saw attendance grow by 30 percent this year, attendees wandered the enormous halls, milling around displays, watching videos, listening to speeches and participating in workshops. People gathered on clustered couches and chatted with new acquaintances, frequently stopping to plug in their various devices and recharge themselves with coffee. With people coming from all over the world, you could hear many languages spoken, from Arabic to French to the most bewildering of them all: the language of technology. Despite the large crowds, it was hard not to notice there were very few women among the thousands in attendance. In fact, when asked about this phenomenon, one female HP employee said, “Trust me, you aren’t the first person who has come up to me asking about this.”

Indeed, the Discover conference was like a forest of men in suits. The few women stood out like rays of sunlight. 

Regardless of their presence at this conference, women are making big strides in information technology. Among the leaders are HP CEO Whitman, who also led eBay; Carly Fiorina, who ran HP before Whitman; Yahoo! CEO Marissa Mayer; and Facebook COO Sheryl Sandberg. Were the women at the Discover conference surprised by the low female turnout?

“No, for IT this is standard,” said Stefanie, a 30-year-old product manager from Germany. “Many are afraid of all the technical stuff, and you have to prove that you are capable of it. You get more women in retail and distribution but not in high-tech areas, at least not in Europe. In America there are more women in management positions and in general.”

Americans might assume that Europe, with its generous social programs that include free daycare, enables more women to ascend the corporate ladder. But that still doesn’t mean that a woman trying to balance a high-tech career and a family is always accepted in European society.

“There is still a lot of emphasis on the family,” Stefanie said. “It’s easier to move up in the U.S., where there is a culture of ‘having it all.’ It’s quite a fight to get there here.”

Still, the IT industry might seem inhospitable to women. Could this male-dominated profession be male-dominant because women have a hard time breaking in?

Stefanie disagreed. “No, they actually like working with women,” she said. “They want to.”

One male conference attendee, who asked not to be named, was less certain.

“There’s a lot of ego and testosterone,” he said. “It can’t be easy” for women.

Tech News Headlines – Yahoo! News

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“X Factor” castoff Cheryl Cole files $2.3 million lawsuit against producers

LOS ANGELES (TheWrap.com) – Cheryl Cole, who was originally hired as a judge for the American version of “The X Factor” but was replaced by Pussycat Doll Nicole Scherzinger before the show premiered, is now suing the producers of the show for $ 2.3 million dollars, according to court papers obtained by TheWrap.

In the complaint against Blue Orbit Productions, filed in Los Angeles Superior Court, Girls Aloud singer Cole claims that she entered a pay-or-play agreement with Blue Orbit Productions in April 22, 2011, that guaranteed her $ 1.8 million for the first season of the show, and $ 2 million for the second.

The suit also says that Cole was also due to receive other expenses for housing, wardrobe, styling and general living expenses.

Cole claims that she received the $ 1.8 million for the first season, but the producers didn’t pony up for the wardrobe/styling allowance, housing allowance (which, according to the suit, was $ 15,000 per month) or living allowance.

She also didn’t receive her guaranteed $ 2 million for the second season, the suit claims.

Now Cole wants damages “in excess of $ 2.3 million,” plus interest at the legal rate, and court costs.

TheWrap was unable to reach Blue Orbit Productions for comment.

(Pamela Chelin contributed to this report)

TV News Headlines – Yahoo! News

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Rate of Childhood Obesity Falls in Several Cities

PHILADELPHIA — After decades of rising childhood obesity rates, several American cities are reporting their first declines.

The trend has emerged in big cities like New York and Los Angeles, as well as smaller places like Anchorage, Alaska, and Kearney, Neb. The state of Mississippi has also registered a drop, but only among white students.

“It’s been nothing but bad news for 30 years, so the fact that we have any good news is a big story,” said Dr. Thomas Farley, the health commissioner in New York City, which reported a 5.5 percent decline in the number of obese schoolchildren from 2007 to 2011.

The drops are small, just 5 percent here in Philadelphia and 3 percent in Los Angeles. But experts say they are significant because they offer the first indication that the obesity epidemic, one of the nation’s most intractable health problems, may actually be reversing course.

The first dips — noted in a September report by the Robert Wood Johnson Foundation — were so surprising that some researchers did not believe them.

Deanna M. Hoelscher, a researcher at the University of Texas, who in 2010 recorded one of the earliest declines — among mostly poor Hispanic fourth graders in the El Paso area — did a double-take. “We reran the numbers a couple of times,” she said. “I kept saying, ‘Will you please check that again for me?’ ”

Researchers say they are not sure what is behind the declines. They may be an early sign of a national shift that is visible only in cities that routinely measure the height and weight of schoolchildren. The decline in Los Angeles, for instance, was for fifth, seventh and ninth graders — the grades that are measured each year — between 2005 and 2010. Nor is it clear whether the drops have more to do with fewer obese children entering school or currently enrolled children losing weight. But researchers note that declines occurred in cities that have had obesity reduction policies in place for a number of years.

Though obesity is now part of the national conversation, with aggressive advertising campaigns in major cities and a push by Michelle Obama, many scientists doubt that anti-obesity programs actually work. Individual efforts like one-time exercise programs have rarely produced results. Researchers say that it will take a broad set of policies applied systematically to effectively reverse the trend, a conclusion underscored by an Institute of Medicine report released in May.

Philadelphia has undertaken a broad assault on childhood obesity for years. Sugary drinks like sweetened iced tea, fruit punch and sports drinks started to disappear from school vending machines in 2004. A year later, new snack guidelines set calorie and fat limits, which reduced the size of snack foods like potato chips to single servings. By 2009, deep fryers were gone from cafeterias and whole milk had been replaced by one percent and skim.

Change has been slow. Schools made money on sugary drinks, and some set up rogue drink machines that had to be hunted down. Deep fat fryers, favored by school administrators who did not want to lose popular items like French fries, were unplugged only after Wayne T. Grasela, the head of food services for the school district, stopped buying oil to fill them.

But the message seems to be getting through, even if acting on it is daunting. Josh Monserrat, an eighth grader at John Welsh Elementary, uses words like “carbs,” and “portion size.” He is part of a student group that promotes healthy eating. He has even dressed as an orange to try to get other children to eat better. Still, he struggles with his own weight. He is 5-foot-3 but weighed nearly 200 pounds at his last doctor’s visit.

“I was thinking, ‘Wow, I’m obese for my age,’ ” said Josh, who is 13. “I set a goal for myself to lose 50 pounds.”

Nationally, about 17 percent of children under 20 are obese, or about 12.5 million people, according to the Centers for Disease Control and Prevention, which defines childhood obesity as a body mass index at or above the 95th percentile for children of the same age and sex. That rate, which has tripled since 1980, has leveled off in recent years but has remained at historical highs, and public health experts warn that it could bring long-term health risks.

Obese children are more likely to be obese as adults, creating a higher risk of heart disease and stroke. The American Cancer Society says that being overweight or obese is the culprit in one of seven cancer deaths. Diabetes in children is up by a fifth since 2000, according to federal data.

“I’m deeply worried about it,” said Francis S. Collins, the director of the National Institutes of Health, who added that obesity is “almost certain to result in a serious downturn in longevity based on the risks people are taking on.”

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'Dollar Menu' sparks McDonald's rebound

McDonald's took Wall Street by surprise Monday morning, with a November same-store sales report that beat expectations and showed particular strength in the U.S. business.

The news follows a weak performance in October that had some investors speculating about the future of the world's largest restaurant company.

The Oak Brook-based burger giant reported U.S. same-store sales up 2.5 percent on the strength of its breakfast business, value offerings, beverages and limited-time offers like the cheddar bacon onion sandwich. In Europe, same-store sales grew 1.4 percent, and 0.6 percent in the chain's Asia/Pacific, Middle East and Africa division.

Overall, same-store sales increased 2.4 percent, beating various expectations for a roughly flat performance.

McDonald's has taken a tough stance on slipping U.S. sales as revived rivals like Wendy's and Burger King crank out new premium and value products. Days after releasing a report that showed October's rare drop in monthly same-store sales, McDonald's said its U.S. president, Jan Fields, had resigned and would be replaced by Jeff Stratton, who had been the company's global restaurant officer.

"We are strengthening our focus on the global priorities that are most impactful to our customers — optimizing our menu, modernizing the customer experience and broadening accessibility to our brand to move our business forward," McDonald's CEO Don Thompson said in a statement.

While the sales report is likely to be a boost for the fast-food chain, investors don't expect company performance to return to normal levels until early 2013.

"One month does not a trend make … but it's a nice sign to see them rebound after a horrible October," ITG Investment Research analyst Steve West said.

Analysts expect volatile industry sales in the coming quarters as countries around the world grapple with economic woes and high unemployment. Profits could get squeezed as diners shop around for deals and restaurants respond by keeping prices down.

"We are concerned about the margin outlook in this more promotional environment," said Lazard Capital Markets analyst Matthew DiFrisco.

McDonald's "ramped up its value messaging, focusing heavily on the Dollar Menu to help drive traffic," Jefferies & Co restaurant analyst Andy Barish said in a research note.

The company has been promoting both the Dollar Menu and its Extra Value Menu, which includes offerings like 20 Chicken McNuggets for $4.99, to lure diners.

Baird analyst David Tarantino raised his fourth-quarter earnings estimate by a penny per share Monday morning following the sales announcement. He wrote that while company performance "could remain soft" through the first quarter, "the November sales report supports our thesis that McDonald's can achieve better performance in 2013 as a whole, with results aided by planned initiatives (including increased emphasis on value plus premium offerings across markets), fewer cost pressures, and less negative currency translation."

McDonald's shares closed up 93 cents, or 1 percent, at $89.41.

Reuters contributed.

eyork@tribune.com

Twitter @emilyyork

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