"EPA's top enforcement official has directed agents to ramp up inspections in communities that have long been afflicted by pollution and called on agents 'to step in and take necessary action' in cases where state regulators are falling short on the job."

"A coalition of five environmental groups on Monday sued the U.S. Army Corps of Engineers, saying the corps did not properly analyze environmental impacts when issuing a broad pipeline permit."

"California Sen. Alex Padilla on Monday proposed a vast expansion of government protection for public lands and rivers that he said would fight climate change and safeguard natural treasures for generations to come."

"A giant oil and gas refinery was served with a “notice of violation” by the Environmental Protection Agency following two major accidents that released noxious fumes and a chemical-filled vapor cloud over nearby neighborhoods in the U.S. Virgin Islands."

"The Environmental Protection Agency on Monday will take its first significant step to curb climate change, an agency spokesman confirmed, moving to phase down chemicals used in refrigeration and air-conditioning that are thousands of times more potent than carbon dioxide at warming the planet."

"For years, environmental advocates and neighborhoods close to Louisiana industrial plants have sought more monitoring of air pollution. But a state Senate committee on Tuesday rejected a bill that would have required 473 plants to install real-time air monitoring systems and pay for it."

"The EPA said Thursday that it’ll expand the scope of its toxics release inventory to include more chemicals and facilities releasing toxic chemicals while providing easier public access to the data."

"Trans Mountain Corp. has permission to keep secret the name of its insurer, after a Thursday ruling by a commission with Canada’s energy regulator."

"California clean tech innovator Bloom Energy, with its noncombustion, low-emission fuel cells, is hardly taking the same approach to powering the planet as oil giant Chevron, but one thing the companies have in common are slick promotional campaigns defining them as environmental pioneers. That public relations savvy, though, has lately become a liability for both firms."