"An official with the Army Corps of Engineers told a Congressional committee Tuesday it doesn't plan a broad environmental study on exporting coal from the western United States."

"As the Environmental Protection Agency seeks public comment on how to gauge the environmental impact of a proposed gold and copper mine in the Bristol Bay watershed, hundreds of thousands of Americans have weighed in on one side or another."

"TransCanada Corp., which says Keystone XL will be the safest pipeline ever built, isn’t planning to use infrared sensors or fiber-optic cables to detect spills along the system’s 2,000-mile (3,200-kilometer) path to Texas refineries from fields in Alberta."

"The latest domestic energy boom is sweeping through some of the nation's driest pockets, drawing millions of gallons of water to unlock oil and gas reserves from beneath the Earth's surface."

"Are pro-mining forces trying to sway the Environmental Protection Agency on Pebble Mine?"

"Illinois Gov. Pat Quinn on Monday signed into law the nation's strictest regulations for high-volume oil and gas drilling."

"President Barack Obama may be just a month away from releasing the second-term climate change strategy that activists and donors are waiting impatiently for, although the details and timing appear to still be in flux."

"To protect profits threatened by a lawsuit over its controversial herbicide atrazine, Syngenta Crop Protection launched an aggressive multi-million dollar campaign that included hiring a detective agency to investigate scientists on a federal advisory panel, looking into the personal life of a judge and commissioning a psychological profile of a leading scientist critical of atrazine."

Part 1: "Whose Interests Is Maine’s DEP Commissioner Serving?"

"For two years, public servant Patricia Aho has overseen Maine's environmental protection. But whom does she really serve? A seven-month investigation by the Telegram points to her former corporate clients. ... Overseen by a former chemical industry lobbyist, Maine’s Department of Environmental Protection resists regulations on substances that may be harmful to children and fetuses."

"None of the companies operating in Canada's tar sands have met a commitment to clean up the vast and expanding sprawl of toxic waste ponds, an official report has found."