"DILLINGHAM, Alaska — President Barack Obama’s top environmental official was visibly moved as people in this fishing town told her the giant Pebble Mine would kill wild salmon and destroy their culture."

"NEW ORLEANS -- Flying over southeast Louisiana, it's easy to see human fingerprints on what's left of the wetlands below."

"One of the firefighting teams trying to contain the Rim Fire in and around Yosemite National Park is the Geronimo Hotshots team from San Carlos, Ariz., one of seven elite Native American firefighting crews in the U.S."

"FORT LAUDERDALE, Fla. -- With inviting beaches that run for miles along South Florida’s shores, it is easy to put sand into the same category as turbo air-conditioning and a decent mojito — something ever present and easily taken for granted."

"WATERFLOW — The sickness came in increments, a slow onslaught of weight loss, stomach pain and extreme diarrhea."

"WASHINGTON, DC -- A dam that has blocked Maryland’s Patapsco River for nearly 100 years will be removed shortly, utilizing a $3.57 million grant awarded by the National Oceanic and Atmospheric Administration’s Restoration Center to the nonprofit organization American Rivers."

"As evidence mounts that excessive use of light is harming wildlife and adversely affecting human health, new initiatives in France and elsewhere are seeking to turn down the lights that flood an ever-growing part of the planet."

"WASHINGTON -- New Environmental Protection Agency chief Gina McCarthy plans to visit the site of Alaska’s proposed Pebble Mine next week as she decides whether to block the massive project to protect one of the world’s last big runs of wild salmon."

"Letter calls draft environmental impact statement on controversial transnational oil-sands project 'inaccurate'"

"Building the Keystone XL pipeline would lead to more manmade light and noise in sparsely populated regions, which may harm natural resources, wildlife and visitors to national parks, the U.S. Interior Department said."

"Two decades [after a tour of US National Parks, Audrey and Frank Peterman] ... are vocal and well-known parks advocates. One thing in particular has driven their passion: the lack of diversity in visitors to the national parks, a problem that also has long plagued the National Park Service."

"The world's soil is in trouble. Ecologists say without dramatic changes to how we manage land, vast swathes of grassland are at risk of turning into hard-packed desert. To make sure that doesn't happen, researchers are testing out innovative ways to keep moisture in the soil."

"The U.S. program that pays farmers to idle fragile cropland soon will protect the smallest amount of land in a quarter-century, the government said on Monday, the result of several years of sky-high commodity prices that have encouraged farmers to plant as much as possible."

"The regional levee authority overseeing East Bank flood protection will file a lawsuit Wednesday against dozens of oil, gas and pipeline companies aimed at forcing them to repair damage to a buffer zone of wetlands and ridges 'that helps protect the greater New Orleans region from catastrophic flooding,' according to a press release from the agency."

"At first glance, Daliuta in northern China appears to have a river running through it. A closer look reveals the stretch of water in the center is a pond, dammed at both ends. Beyond the barriers, the Wulanmulun’s bed is dry."