The next international climate pact is taking shape, and the U.S. and EU are leading the way.
Global renewables investments increased 17 percent in 2014 as solar and wind costs fell dramatically.
No matter the fate of Keystone XL, many other pipelines could transport Canadian tar sands oil to refineries.
Research suggests media focuses on doom and gloom of climate change, rarely on possible fixes.
New maps show the plans of countries to deal with their CO2 emissions ahead of international climate negotiations.
Pollution from deforestation is slowing down, but degradation is worsening in forests that still remain.
California and Quebec's cap-and-trade programs have been linked, making climate action cheaper.
States that fail to consider climate change in emergency planning won't qualify for some FEMA grants.
Climate change is slated to play a more prominent role in international disaster talks than ever before.
As natural gas booms, renewable energy proponents wonder if it will hurt or help solar power.
Urbanization in southern California is reducing the region's fogginess, further drying the parched state.
National forests, parks and other public lands play a major role in America's defense against climate change.
Caltech scientists think they have made another step toward creating energy from artificial photosynthesis.
The world must make electricity more climate-friendly, or it may not be able to meet its climate goals.
As the planet warms, new careers as climate adaption specialists emerge to help businesses prepare for disasters.
Humanity may be about to experience unprecedented temperature rise. Will it prompt climate action?
While American lawmakers agonize over Keystone XL, Europeans are crafting climate plans.
Scientists are improving pH sensors, analyzing coral and using satellites to track ocean acidification.
Ocean acidification is coming for your shellfish, but its impacts will be far from even across the U.S.
Leading cap-and-trade programs are spending billions on clean energy and other climate programs.