A dramatic episode of prehistoric global warming involved carbon buildup only a tenth as fast as what's going on now, a new study finds.
Archaeologists are contributing new insights into records of past climate change, showing just how resilient early human populations were.
In Colorado, the National Renewable Energy Laboratory has built one of the most energy efficient office buildings in the world.
With major flooding continuing along the Miss. River, Climate Central tackles the question of how climate change fits into the picture.
The idea of drawing down atmospheric carbon with high-tech scrubbers has gotten a lot of attention lately, but a new report says that for now, it's relatively costly and inefficient.
A new special report from the UN climate panel suggests renewables could meet 80 percent of world energy demand by 2050.
Last week, Washington Governor Chris Gregoire signed a bill to close the state's only remaining coal-burning power plant.