"RALEIGH COUNTY, W.Va. — Environmentalists have turned a hobbyist drone into a weapon in their long, bitter battle against strip mining."

"A federal lawsuit alleges the U.S. Environmental Protection Agency failed to protect the Shenandoah River from pollution that's caused the scenic waterway to become clogged with algae blooms."

"Rising nitrate levels in the Minnesota and Blue Earth Rivers are forcing Mankato to adjust how it provides drinking water to residents and potentially threatens the city's attempts to limit the amount of water it takes from the region's most critical aquifer."

"As local lawmakers continue to pressure the military to do more to clean massive groundwater pollution near its bases in Bucks and Montgomery counties, contaminant levels appear to have increased in the past year."

"The U.S. Environmental Protection Agency said it proposed a rule on Thursday to postpone compliance dates for effluent guidelines for steam electric power plants published in November 2015."

"ALLEGAN COUNTY, MI -- The Vande Bunte Eggs farm has racked up more than 200 state permit violations in the past three years. ... The farm has also benefitted from more than $1 million in federal subsidies."

"Across the country, companies keep extra natural gas in aging underground wells that weren't originally designed for such storage."

"NAOMA, W.Va. — Junior Walk stands with one foot resting on the stoop of a log house. A slab of wood mounted above the door reads in hand-painted letters: Coal River Mountain Watch."

"The Dakota Access pipeline system leaked more than 100 gallons (380 liters) of oil in two separate incidents in North Dakota in March as crews prepared the pipeline for operation."

"The activists also called on federal regulators to 'initiate an immediate review of horizontal drilling plans and procedures on all open pipeline dockets.'"

"More than 100 local and environmental groups are demanding federal regulators immediately halt all construction on Energy Transfer Partners' Rover gas pipeline after a series of environmental violations, including a massive spill that fouled sensitive wetlands in Ohio with several million gallons of construction mud.