An increase in wind power is slowing the increase of CO2 into the atmosphere.
Wind, especially in Texas and the Plains, is helping power the U.S.
Climate change is causing leaves to emerge earlier in the year. See how far ahead they are this year.
These U.S. cities had their warmest winter on record.
The season and area in which trees are tapped to produce maple syrup is warming from climate change.
In parts of the U.S., heavy snow records are being set, even in a warming world.
Parts of the U.S. may see 90 percent fewer days mid-century with average temps below 32°F.
Here's which cities might get a white Christmas based on historical records.