"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."

"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."

"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."

"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."

"What a difference a year makes. Last year at this time, the Midwest was heading into one of the worst droughts in decades. Now much of the region is soggy. But the biggest loser from this year's heavy rains? The land itself."

"The area of ocean set aside as a nature preserve could double or triple in the coming days, depending on the outcome of a meeting in Germany. Representatives from 24 countries and the European Union are considering setting aside large portions of ocean around Antarctica as a protected area. And the deal may hinge on preserving some fishing rights."

Mining of a newly discovered rare earth element near the remote Alaskan town of Hydaburg jeopardizes the fishery which is its economic mainstay.