Growing pollution in the Baltic Sea has been making it unswimmable and contaminating fish. Now Russia has sealed a deal to put a pipeline beneath the Baltic -- with big international repercussions.

"A new study says the seas are acidifying ten times faster today than 55 million years ago when a mass extinction of marine species occurred. And, the study concludes, current changes in ocean chemistry due to the burning of fossil fuels may portend a new wave of die-offs."

"Whether it was democracy in action, or defence against malicious attempts to disrupt research, climate scientists were driven to siege mentality by persistence of sceptics."

"Britain and Ethiopia will head a new United Nations panel that aims to secure $100 billion every year by 2020 to help developing nations cut emissions and adapt to climate change, U.N. Secretary-General Ban Ki-moon said on Friday."

"Hopes of an electric car boom are spurring companies to seek new lithium sources, but new finds may be lower quality and costlier to develop than established deposits able to meet demand for years to come."

"A new study published in the Feb. 12 issue of Science indicates that the balance of the world's ice may be shifting faster than scientists thought, which may have consequences in a warming world."

"WASHINGTON — As millions of people along the East Coast hole up in their snowbound homes, the two sides in the climate-change debate are seizing on the mounting drifts to bolster their arguments."

The bright-golden spray toads, small as a dime, once lived in the spray of a waterfall on the Kihansi River in Tanzania. A dam funded by the World Bank destroyed the species habitat, and they are now extinct in the wild. They now live only in captivity.

"Anti-whaling protest group Sea Shepherd said a Japanese whaling vessel 'intentionally rammed' one of its protest boats on Saturday during a standoff in Antarctic waters."

"The United Nations Framework Convention on Climate Change has received national pledges to cut and limit greenhouse gases by 2020 from 55 countries, including China and the United States that together account for 78 percent of global emissions from energy use."