Scientists said the concentration of carbon dioxide, which contributes to climate change, is the highest in data going back 800,000 years, based on ice core records.
The World Weather Attribution initiative has issued a report that said July's historic flooding in Europe is more likely to happen today due to global warming.
Farmers in southern Oregon are pumping groundwater onto fields. They're not getting lake water for irrigation because water levels there were too low. Now, homeowners' wells are running dry.
The unprecedented declaration of a water shortage in the Colorado River system mostly means less water for Arizona farmers for now, but cutbacks to cities are likely coming soon.
In Nevada, tribal opposition to a proposed lithium mine is testing the White House's pledge to electrify America's transportation system and give more of a voice to indigenous people in federal lands.
The U.S. Forest Service this week closed Minnesota's Boundary Waters Canoe Area along the Canadian border because of fires. It's the first time in nearly half a century they've had to close the area.
NPR's Ari Shapiro speaks with Janey Camp, a professor of civil and environmental engineering at Vanderbilt University, about how storms like Tennessee's will become more common with climate change.