USDA: Severe Drought Will Drive Up Cost of Food

In a four-day period this July, the Greenland ice sheet melted at a faster rate than satellite data has ever recorded and at higher elevations than we've ever seen in our lifetimes.

Map showing the four day period this July that the Greenland ice sheet melted at a faster rate and at higher elevations than satellite data had ever recorded.

Native Americans make up about one percent of the United States population, but they manage more than 95 million acres of land. Their reservations lie in some of the most diverse ecosystems in the country, ranging from Alaska to the coasts of Florida. And they are often on the frontlines of America's climate-related dangers.

For Northwest tribes, salmon fishing is a way of life. But changes in the climate may be pushing the fish toward extinction. Together with KCTS9 and EarthFix, NewsHour visited the Swinomish Indian reservation to see how they are coping.

Washington's Quileute tribe, thrust into the spotlight by the "Twilight" series,' has been struggling to reclaim land threatened by floods and sea level rise. Together with KCTS9 and EarthFix, NewsHour visited the tribe to hear their story.

Washington's Quileute tribe, thrust into the spotlight by the "Twilight" series,' has been in a struggle to reclaim land threatened by floods and sea level rise. Together with KCTS9 and EarthFix, NewsHour visited the tribe to hear their story.

Miles O'Brien examines power grid reliability in a neighborhood near Austin, Texas that uses "smart grid" technology to track - and control - its energy consumption.

A widely-reported headline this week announced that 3,215 high temperature records were matched or broken across the U.S. in June. But the PBS NewsHour's record temperature heat widget only reported 743 broken heat records--quite a discrepancy.

Lack of water, "the great air conditioner", is causing unusually high temperatures and extreme weather events in the United States, Kevin Trenberth with the National Center for Atmospheric Research tells Judy Woodruff.

The Denver Post has been covering the fires since they first began. Here are some of their shots of the flames and the Coloradans who have been affected.