"SANTA BARBARA, Calif. — The violet bottom-dwelling, prickle-backed spheres wriggling in the tank in Gretchen Hofmann’s lab aren’t really known for their speed. But these lowly sea urchins adapt so quickly they’re helping answer a question that’s key to understanding ocean acidification."

"As fossil-fuel emissions disrupt marine life, will evolution come to the rescue?"

"Australia and the US used the 2007 United Nations climate change conference in Bali to carry out a joint surveillance operation on Indonesia, according to reports."

"Starvation, poverty, flooding, heat waves, droughts, war and disease already lead to human tragedies. They're likely to worsen as the world warms from man-made climate change, a leaked draft of an international scientific report forecasts."

"BELCHATOW, Poland -- They call it Poland’s biggest hole in the ground."

"Total greenhouse gas emissions by China and other emerging nations since 1850 will surpass those of rich nations this decade, complicating U.N. talks about who is most to blame for global warming, a study showed on Thursday."

As a centerpiece of its bid to hold the 2014 Olympics in Sochi, Russia boldly promised a "Zero Waste" program. State-owned companies are already systematically and publicly violating that pledge.

"WASHINGTON — In an aggressive move to impose President Obama’s environmental policies overseas, the Treasury Department on Tuesday largely declared an end to United States support for new coal-fired power plants around the world. The decision means that Mr. Obama’s administration will no longer contribute to coal projects financed by the World Bank and other international development banks."

"A letter from the BBC in response to the science committee's criticism defends airing 'misinformed' arguments."

"TOKYO -- The operator of Japan's wrecked Fukushima nuclear plant said on Saturday there was no damage or spike in radiation levels at the station after a large earthquake struck in the ocean east of Japan, triggering a small tsunami."

"AMSTERDAM -- Russia will not accept an international arbitration process under the UN Convention on the Law of the Sea at which The Netherlands is seeking the release of the Dutch-flagged Greenpeace ship Arctic Sunrise and its crew."