Project aims to track urban CO₂ footprints

May 14, 2013

Project aims to track urban CO₂ footprints

Every time Los Angeles exhales, odd-looking gadgets anchored in the mountains above the city trace the invisible puffs of carbon dioxide, methane and other greenhouse gases that waft skyward. Halfway around the globe, similar contraptions atop the Eiffel Tower and elsewhere around Paris keep ...

May 14, 2013

Warming to hit half of plants, a third of animals: study

More than half of common species of plants and a third of animal species are likely to see their living space halved by 2080 on current trends of carbon emissions, a climate study said Sunday. Output of man-made greenhouse gases is putting Earth on ...

Arctic rising as economic, security hot spot

May 12, 2013

Arctic rising as economic, security hot spot

The icy Arctic is emerging as a global economic hot spot — and one that is becoming a security concern for the United States as world powers jockey to tap its vast energy resources and stake out unclaimed territories. Diplomats from eight Arctic nations, ...

Everest brawl shocks mountaineers

May 6, 2013

Everest brawl shocks mountaineers

A recent brawl on Mount Everest that shocked the mountaineering community stems from tension between elite climbers and growing commercial expeditions on the world’s highest peak, experts say. Italy’s Simone Moro and Ueli Steck of Switzerland, two of the world’s top mountaineers, accompanied by ...

May 6, 2013

Ocean warming threatens fish off U.S.: report

Fish stocks off U.S. coasts, restored to health over the past four decades by cooperation among competing interests and careful management, are being threatened anew by warming and increasingly acidic waters, according to a new report and experts who are gathering in Washington for ...

Apr 30, 2013

California refines way to gauge water supply

Like a pitcher taking the mound on opening day, Frank Gehrke gets the media spotlight in California every April, when the otherwise obscure state water official trudges into the Sierra Nevada mountains and plunges aluminum tubes into the snow. With those snow samples — ...

World's fastest land animal in race to survive

Apr 29, 2013

World's fastest land animal in race to survive

The cheetah, the world’s fastest land animal, survived mass extinction during the last ice age 10,000 years ago. But it has taken just the last few decades for man to place the hunter on the endangered species list, with experts warning it could disappear ...

Apr 29, 2013

Mozambique losing fight to save elephants

Mozambique’s elephant population risks being obliterated within a decade unless tight antipoaching measures are introduced, conservationists have warned. The alarming scale of the poaching problem has become increasingly apparent, with an aerial survey of the north of the country in 2011 tallying 2,667 elephant ...

Humboldt penguins face extinction in Chile

Apr 29, 2013

Humboldt penguins face extinction in Chile

Several dozen Humboldt penguins sun themselves along the coast of an islet in central Chile where the majestic birds coming to nest once numbered in the thousands. Humboldt penguins — which nest only in parts of Chile and Peru — over the years have ...