California municipalities have filed first-of-their-kind lawsuits against fossil fuel giants over sea level rise.
Flight delays and restrictions could become more common as temperatures rise due to climate change.
Some states and power companies are rolling out a new weapon against fossil fuels — giant batteries.
Climate change may be altering the characteristics and impacts of drought across the U.S.
Despite gains, emissions will still be above levels agreed to under the Paris climate agreement.
Ten percent of all electricity generated in the U.S. in March came from wind and solar power — a first.
World leaders expressed "deep disappointment" with the U.S. decision to withdraw from the Paris climate pact.
Falling solar and wind prices have led to new power deals even as investments decline in renewables.