More than 10 wildfires burned over 200,000 acres in Southern California in October 2003, many of them started by humans. This satellite image shows strong winds carrying smoke over the Pacific.
MODIS Rapid Response Team/NASA
The official Twitter account of Badlands National Park in South Dakota was the first to tweet climate change facts in defiance of the gag order placed on the Environmental Protection Agency.
Francis Temman/AFP/Getty Images
Norma Bauerschmidt with son, Tim, and daughter-in-law, Ramie Liddle, in Friday Harbor, Wash. Bauerschmidt embarked on a year-long road trip after receiving a cancer diagnosis last year.
Apple (left) and Google screenshots of the Willamette National Forest. The pins in each image indicate where each app says the forest is located, when searched.
Apple & Google/Screenshots by NPR
Gracie, Glacier National Park's first Bark Ranger, shepherds wildlife away from popular tourist spots and teaches park visitors how to safely view wildlife.
Nicky Ouellet/Montana Public Radio
Almost like clockwork, every 60 to 110 minutes, Old Faithful shoots out a jet of steam and hot water up to 184 feet high. In summer the nearby parking lot fills and empties at about the same pace. Yellowstone Superintendent Dan Wenk says, "One of the great fears of every superintendent of Yellowstone is that Old Faithful will stop erupting when they're superintendent."
Michael Nichols/National Geographic
Tourists at Grand Canyon National Park in northern Arizona wait for a shuttle bus in 2015. For years, the Grand Canyon and other big national parks have been seeing rising attendance.
A weekly pass at Rocky Mountain National Park increases Thursday from $20 to $30, which will go toward paying for park improvements such as picnic tables, restrooms and trail maintenance.
At an October protest, hundreds of "We Are Seneca Lake" members block the gates of Crestwood Midstream to protest against the expansion of fracked gas storage in the Finger Lakes.
Rancher Ross Frank worries that funding to fight fires in Western communities like Chumstick, Wash., has crowded out important land management work.
Rowan Moore Gerety/Northwest Public Radio