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Western Mississippi is turning to recovery after being hit by a long-track tornado on Friday. Here's what made it so destructive — and why the impact of climate change on tornadoes is still unclear.

Provincetown and the Bearing Sea coastal village of Mertarvik are just about as far away as two places can be in the United States. But students in both communities have found one big piece of common ground — growing up in a rapidly changing climate.

Melting ice has made it harder to hunt walrus, a traditional staple for Alaska Natives. Warmer temps mean caribou aren't where hunters used to find them. It all adds up to more food insecurity.

There are new calls for stronger building codes in Colorado after devastating suburban wildfires. The towns weren't considered at high risk for fire, but the warming climate is changing that calculus.

Thanks to a new federal law, cities will get better forecasts about how climate change intensifies rainstorms. Still, it won't be in time for billions of dollars of federal infrastructure spending.

Four more heat pump manufacturers have developed products that can operate at 100% heating capacity at 5 degrees without the use of supplemental heat, according to the Department of Energy.

As House lawmakers take up the Climate Superfund Act, climate scientists urge them not to balk at the newness of attribution science.

Rising temperatures and thawing permafrost threaten tiny Newtok. Its residents want President Obama to declare an official disaster, to unlock the millions it needs to move the community.

When cows overgraze it's bad for the soil and the climate. The U.S. Bureau of Land Management is trying new technology to help avoid overgrazing: virtual fencing.

Nuclear power is having a moment, fueled by a desire to move away from more polluting power sources. But critics say the technology has too much baggage and isn't necessary for a clean energy future.