In addition to methane and carbon dioxide, scientists say permafrost could also release nitrous oxide.
As high tides caused flooding this week, federal legislation was introduced to protect neighborhoods.
The White House's proposed 2018 budget slashes funding for federal carbon capture and storage programs.
New research shows electric cars emit more greenhouse gases than hybrids in some states.
The White House's 2018 budget targets federal climate science, regulations.
Don't bet the future of the climate on negative emissions technology, Stanford University scientists say.
Some of the world’s most vulnerable live in the tropics, where sea rise will cause a sharp rises in floods.
Temperatures were high in the Arctic and well above average in the Eastern U.S., China and Africa.