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Ecosystems

Study Finds Yellowstone Air Quality Worsening
June 1, 2006 12:00 AM - Associated Press

Air quality in four of six categories is worsening at Yellowstone National Park, a new study by the National Park Service shows. One pollutant on the rise in Yellowstone is ground-level ozone, which can cause respiratory problems and threaten plant health.

Scientists Say Arctic Once Was Tropical
June 1, 2006 12:00 AM - Seth Borenstein, Associated Press

Scientists have found what might have been the ideal ancient vacation hotspot with a 74-degree Fahrenheit average temperature, alligator ancestors and palm trees. It's smack in the middle of the Arctic.

States Restrict Firewood to Stop Bug
May 31, 2006 12:00 AM - Rick Callahan, Associated Press

A tiny green beetle that decimates ash trees is nibbling away at traditional summer campfires as states try to halt the insect's spread through infested firewood that campers unwittingly haul into parks.

Group Advocates Clean-Running School Buses
May 31, 2006 12:00 AM - Andrew Silva, San Bernardino County Sun

Diesel fumes have emerged as the new bogeyman in the battle against smog, and more needs to be done to protect children exposed to pollutants in school buses, an environmental group says.

State, Advocates Look to Give New Yorkers a New Beach
May 30, 2006 12:00 AM - Samantha Gross, Associated Press

It's been decades since industrial waste flowed into the Hudson River and the city has worked to clean up the once-industrial west side of Manhattan with grassy parkland for joggers and bicyclists.

China, India, Brazil Could Slash Energy Use, Report Says
May 30, 2006 12:00 AM - Alister Doyle, Reuters

China, India and Brazil could reduce energy use by a quarter with simple efficiency schemes but banks have been sluggish to lend to such projects, an international study said on Monday.

E.U. Urges Europeans to Act Locally to Help Stop Global Warming
May 30, 2006 12:00 AM - Constant Brand, Associated Press

The European Union launched a new awareness campaign Monday urging its citizens to help stop global warming, adding that just the smallest changes to everyday routines, like turning down the thermostat by a degree, can make a difference.

Poorly Mapped and Policed, Amazon Rain Forest Suffers from a Settler Influx
May 30, 2006 12:00 AM - Michael Astor, Associated Press

Izidio Orlando de Brito used to walk for hours down a jungle path hauling his manioc, beans, corn and rice to market, thinking how much easier life would be if there was a road to his village.

Where the Buffalo Roam a Sore Topic in Montana
May 30, 2006 12:00 AM - Laura Zuckerman, Reuters

Buffalo once thundered across this vast river valley in southwest Montana but now the only evidence of the animal that symbolizes the untamed American West is its image on a national park sign.

Chesapeake Bay Underwater Grasses Rebound
May 26, 2006 12:00 AM - Kristen Wyatt, Associated Press

Underwater grasses in the Chesapeake Bay were more plentiful again last year, with the important habitat-providing plants now covering about double the acreage they did when the survey began in 1984.

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