Mayors from 435 U.S. cities have signed on to follow the Paris Climate Agreement.
Strong winds could damage power lines and spark deadly wildfires, so utility companies are shutting off power to millions of California residents.
The $4 billion Benban Solar Park will be the country’s first utility-scale solar power plant.
President Trump is wrestling with the state of California over who gets to define auto emissions standards for carmakers: California or the federal government?
From the ski slopes to casinos, how climate change is affecting the tourism industry in Lake Tahoe and other recreation communities.
A new UN report says human interventions are the cause of a global biodiversity crisis.