Extreme rainfall is happening more often in a warming world, especially in the past few years in the U.S.
Warming streams, rivers, and lakes from climate change are taking a toll on recreational fishing.
Even small concentrations of smoke pollution from wildfires can be harmful to human health.
Mosquitoes spread disease when temperatures are in a specific warm range, but it can actually get too hot for transmission in some places.
The number of days a year that mosquitoes can transmit disease is increasing in much of the U.S.
The Little League World Series is heating up. See how much hotter summers are getting in Williamsport, Pennsylvania.
The number of consecutive hot summer days, or heat streaks, is increasing in much of the U.S.
The number of extremely hot summer days is increasing in much of the U.S., and with it, the risk of heat-related illness.