"WASHINGTON, DC -- The U.S. Environmental Protection Agency scientist who first revealed the dangers of toxic dust at the World Trade Center disaster site has received a second notice of proposed removal from her job more than a year after a federal civil service court ordered her returned to work."

"The Monsanto Co. has jumped into Washington state politics in a big way."

"Publishers producing high school biology textbooks that could be used in classrooms across Texas are being pressured to water down lessons on evolution and climate change, a progressive watchdog group said Monday."

"As the State Department drags out the approval of the Keystone XL pipeline, it is more likely President Barack Obama's final decision on the project to help link Canada's oil sands to U.S. refineries will slip into 2014, experts said."

"WASHINGTON -- House Republicans scouring for evidence of overreaching environmental regulations are taking aim at a two-decade-old, taxpayer-funded scientific study by Harvard researchers that linked air pollution to disease and death."

"Oil industry lobbyists sought to gain an exemption from the leading California environmental law as they pushed back against legislation mandating oversight of hydraulic fracturing, multiple people familiar with the activities said."

"Prime Minister Stephen Harper, in an effort to win U.S. backing for the Keystone XL pipeline, has sent a letter to President Barack Obama proposing joint action to reduce greenhouse gas emissions in the oil and gas sector"

"ODANAH, WIS. -- While laughing children bob in kayaks along the sandy shores of Lake Superior, their somber parents hunch over picnic tables talking about their wild rice, their water, their fish and their way of life. Members of the Bad River Band of Lake Superior Tribe of Chippewa Indians worry about what is to become of their lake, a life source for their people."

"WASHINGTON -- The Environmental Protection Agency this week quietly withdrew two draft rules dealing with the regulation of chemicals. The potential rules were in limbo at the Office of Management for several years."