Qualified praise for Obama's clean power plan

President Barack Obama's plan to slash electricity-generated CO2 emissions was welcomed Tuesday as a courageous step towards a lower-carbon future, but not yet enough to brake dangerous planet warming.

EPA chief: Climate plan on track despite mercury ruling

A Supreme Court ruling that undermined a federal rule targeting mercury pollution will not affect the Obama administration's plan to limit greenhouse gas emissions to slow the effects of global warming, the head of the Environmental ...

Path to 2 C emerges as thorn at climate talks

The world community has rallied around the goal of limiting global warming to two degrees Celsius (3.6 degrees Fahrenheit), but how to get there is becoming a headache.

Ecuador breaks Guinness reforestation record

Ecuador broke the world record for reforestation Saturday, as thousands of people pitched in to plant 647,250 trees in a single day, President Rafael Correa said.

Climate scientists find elusive tropospheric hot spot

Researchers have published results in Environmental Research Letters confirming strong warming in the upper troposphere, known colloquially as the tropospheric hotspot. The hot has been long expected as part of global warming ...

Researchers clarify impact of permafrost thaw

As the Earth's climate continues to warm, researchers are working to understand how human-driven emissions of carbon dioxide will affect the release of naturally occurring greenhouse gases from arctic permafrost. As the perennially ...

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