Climate change continues to wreak havoc across the American West.
Farmers in Arizona and Nevada, along with two Mexican states, will face cutbacks next year in a grim sign of what’s to come as the climate warms.
Satellite images show sparse snow and bare ground on some peaks of the South American mountain range.
Horse advocates say the roundups are being driven by ranchers who don’t want the mustangs competing with their livestock for limited forage and water.
Extreme drought conditions worsened by climate change have left the state with too little water to meet the demand.
The vibrant ecosystem of North America's largest saltwater lake is under serious threat from water diversion and climate change-fueled drought.
Environmentalists say the birds are being sacrificed to climate change and wasteful agricultural irrigation.
The president met with Western state governors as concerns grow over the risk of a historic fire season.
The animals, confined at the Point Reyes National Seashore to keep them away from cattle ranches, couldn't reach water, the lawsuit contends.
Heat is responsible for more deaths in the U.S. than all other natural disasters combined.