Forecasters predict that heavy rainfall this Halloweekend will make trick-or-treating a no go in drought-stricken parts of the country.

A Bloomberg News/NPR investigation found that large U.S. coal companies used bankruptcy and asset transfers to move old mines to shaky new owners, putting at risk federally mandated land reclamation.

National Hurricane Center data for New York City shows development happening in at-risk areas, even as climate change brings more frequent and intense storms.

Flash floods and landslides set off by torrential rains left at least 50 people dead. As many as 60 villagers in a southern province are feared missing and buried in a huge mudslide, officials said.

Brazilians head to the polls Sunday to vote in a presidential election that is testing the world's fourth-largest democracy and could have a critical impact on the fight against climate change.

The world is set to start crucial climate change negotiations soon. To avoid extreme warming, nations have to make deep cuts in heat-trapping emissions, fast.

Prices at the pump are falling, which is welcome news for Democrats this election season. But politicians have very limited control over energy costs.

A new report from Greenpeace found that people may be putting plastic into recycling bins — but almost none of it is actually being recycled. Meanwhile, plastic production is ramping up.

The three main greenhouse gases hit record high levels in the atmosphere last year, the U.N. weather agency said Wednesday, calling it an ominous sign.

The U.S. Fish and Wildlife Service is listing the penguins native to Antarctica as a threatened species under the Endangered Species Act.

It's best to chop up and leave a thin layer of leaves in the grass. Rake excess amounts into a landscape bed or garden.

In the Oregon race for governor, the Democrat, Tina Kotek, and the Republican, Christine Drazan, are in a dead heat thanks to the independent, Betsy Johnson, who has outraised her competitors.

Scientists are finding that Western wildfires can have far-reaching impacts. If they're burning while Central U.S. thunderstorms are forming, the rain and hail can be dramatically more destructive.

Scientists are analyzing sounds from glaciers to predict exactly how quickly ice is melting and what that could mean for the rise in sea level.

Climate change-fueled hurricanes and sea-level rise get a lot of attention, but Mississippi River Basin communities also are experiencing the effects of global warming.