Daily record highs are outpacing record lows across the U.S. due to climate change.
Managing heat during exercise will become more vital as climate change ups the number of danger days.
Extreme heat events, which are a threat to human health, are likely to worsen as climate change progresses.
Climate change is creating warmer summer nights for every state in the U.S.
We are seeing an increased number of hot days in the U.S. as greenhouse gases continue to build and warm the planet.
Every state in the U.S. has warmed since the first Earth Day, although the rate of warming varies. Check out how much it’s warmed in your state.
This year's sad California snowpack "obliterates" the previous record low.
The 10 warmest years on record globally have all happened since 1998, with 2014 on top as the warmest of all.