"Visitors to the San Gabriel Mountains can be forgiven if they see overflowing trash bins, broken marijuana pipes, graffiti and road kill and wonder what became of President Obama's vision for the wilderness."

"YELLOWSTONE NATIONAL PARK, Wyo. — Even for a park with a history of unhappy encounters between people and wildlife, 2015 is shaping up as an eventful year for Yellowstone and its bison. Since mid-May, five visitors have been hurt — gored, trampled or tossed into the air — in run-ins with the park’s most famous residents."

"A stretch of river fouled by toxic waste from an abandoned gold mine in southwestern Colorado last week was reopened to kayaking and rafting on Friday while water from river-fed irrigation canals was deemed safe for crops and livestock."

"The annual Burning Man festival received a permit to use federal land in Nevada’s desert after a clash over federal land managers’ expensive requests."

"The issue of abandoned mines and their legacy of water pollution is not unique to Colorado. Abandoned mines across Ohio have polluted streams and creeks for decades, turning waterways orange and lacing them with sulfuric acid, dissolved metals and toxic sediments."

"Keena Kimmel's bookshop occupies a cozy curve along the Animas River, a place of wild sunflowers and lilacs where fisherman try their luck and kayakers glide under iron bridges. But this weekend the river was empty and Kimmel's heart broken."

"NEW ORLEANS — Ten years ago, the neighborhood hard by the 17th Street canal in this city was water-blasted. The surges from Hurricane Katrina swept into the canal, broke through its flood walls and forced homes off their foundations. Much of New Orleans remained steeped in brackish filth for weeks until the sodden city could be drained."

"Three days after EPA workers triggered a huge blowout at a festering mine in southwestern Colorado, a mustard-colored plume — still fed by 548 gallons leaking per minute — stretched more than 100 miles, spreading contaminants including cadmium, arsenic, copper, lead and zinc."

"In August 2014, chemicals from a Grupo México mine contaminated a main waterway. A Mexicoleaks Alliance investigation reveals that the spill control equipment at the Buenavista Copper Mine was not in compliance with regulations that federal authorities had failed to enforce since 2011. Now residents of seven Sonora municipalities are filing suit."