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Pollution masked warming over eastern US in 20th century
A study suggests eastern U.S. was kept cooler than it would have been otherwise in 20th century due to a particular type of pollution from coal-fired power plants.
April 29, 2012
OECD environmental outlook for 2050 is grim
A sobering from OECD warning of costly consequences by 2050 if actions are not taken to put the world on a sustainable path.
April 29, 2012
View from space: U.S. national parks
National Parks Week in the U.S. extends through this weekend, and admission is free at all 397 national parks. If you can't go, check out these cool photos.
April 28, 2012
Rare white killer whale caught on camera
A team of scientists have spotted an extremely rare white killer whale off the coast of Russia. Check out the amazing images and video!
April 27, 2012
Bright is the new black in cities, study shows
Black roofs can be up to 30°C (54°F) hotter than brigiht roofs - those fitted to grow plants - or plain ordinary white roofs, according to scientists in New York.
April 26, 2012
Killer asteroids struck Earth 1.8 to 3.8 billion years ago
Rocks in Australia contain sand-sized circles and particles, thought to be formerly molten droplets ejected into space when killer asteroids struck Earth.
April 26, 2012
Ocean currents, not warm air, are driving Antarctic ice loss
West Antarctica loses ice to the sea even if a summer isn't warm enough to melt snow on top of the glaciers. The oceans do the work from below, a study shows.
April 25, 2012
NOAA Weather Radio more reliable than a tornado siren
Tornado sirens are meant to save lives, but the six people killed by a tornado in Oklahoma never heard a siren. People should rely on a NOAA Weather Radio.
April 25, 2012
Best image yet of ongoing activity at Popocatépetl volcano
Mexico’s Popocatepetl volcano has been active since mid-April 2012, and now NASA has produced the best image yet of this spectacular volcano.
April 24, 2012
Dynamic storm will affect U.S. East, eastern Ontario and Quebec
Snow, heavy rain and strong winds expected across parts of U.S. and Canadian east. With trees leafed out, this winter storm could cause power outages and more.
April 22, 2012
