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One Australian report estimated the reef had lost more than half its coral since 1985. The government is considering a new 35-year plan to rescue the reef, but some say it falls short.

A new study looks at the future of the Canadian Arctic Archipelago and finds that by the end of this century, the region might be ice-free for 2 to 5 months, something that puts bears in grave peril.

Colorlines Editor-at-Large Kai Wright and NPR's Scott Simon reflect on the reaction to Michael's Brown's fatal shooting in Ferguson, Mo.

Though officials say that this wildfire season has been tamer than average, responding to these fires has been costly. Now, the Obama administration is re-evaluating how it pays for fighting them.

The crisis in Ukraine is exactly the type of confrontation that NATO wanted to preempt by expanding eastward over the past two decades. Yet Russia still views NATO as a threat.

An aging tree's girth is good for the planet, scientists say, because it helps it suck more carbon dioxide out of the air. "It's as if, on your favorite sports team, you find out the star players are a bunch of 90-year-olds," one ecologist says.

Desalination facilities are under construction across California that would make ocean water drinkable. Environmentalists debate whether more plants would only worsen long-term water issues.

The Environmental Protection Agency wants power plants to cut carbon pollution by 30 percent. Analysts say the impact on consumers will hinge on how individual states move to meet the standards.

Advances in greenhouse technology have made growing flavorful tomatoes year-round easier. And scientists say climate change may soon make it harder to grow delicious tomatoes outdoors in fields.

Thomas Kahikina Ching of Kailua Kona, Hawaii, lost his jobs because of the pandemic and decided to grow his own food. He explains how he went from DJ and tour guide to backyard farmer.