"The ailing Chesapeake Bay is slowly recovering from pollution and overfishing but still has problems that include a drop by half in a key segment of the blue crab population, a report on the largest U.S. estuary said on Tuesday."

"Major voluntary strategies used on Midwest farmland to curb fertilizers that feed the annual low oxygen "Dead Zone" in the Gulf of Mexico don't remove enough nutrients to succeed, according to a new, peer reviewed scientific study."

"CHAMPAIGN, Ill. — Coal companies working with the government on the long-planned $1.65 billion FutureGen clean-coal project said Tuesday they have no choice but to shut it down after the Department of Energy suspended the majority of its funding."

"Explosions used to be no big deal for residents of sleepy rural towns in north Louisiana's piney woods near the Arkansas border. Blasts meant jobs."

"Thousands of chemical storage tanks across West Virginia would be exempt from the law passed in the wake of the Freedom Industries spill, under legislation introduced Tuesday in the House of Delegates."

"The Environmental Protection Agency on Tuesday said the collapse in oil prices has cast doubt on the State Department's conclusion that building the Keystone XL oil-sands pipeline would not cause a big boost in greenhouse-gas emissions."

"Medical experts reacted with alarm Monday as two top contenders for the Republican presidential nomination appeared to question whether child vaccinations should be mandatory — injecting politics into an emotional issue that has taken on new resonance with a recent outbreak of measles in the United States."

"It isn’t on its dying breath, but the J.E. Corette coal-fired power plant, for 40 years Billings’ worst air polluter, could be weeks away from its last gasp."

"For as long as 400-ton dump trucks have been rumbling around the open pit mines of Canada’s oil sands, crews from Kal Tire have been on hand to replace and repair their $70,000, 13-foot diameter tires."

"Anadarko Petroleum Corp., a minority investor in BP's failed Macondo well, is on the hook for federal pollution fines for the 2010 Gulf of Mexico oil spill, regardless of whether the company was responsible for the disaster, a federal judge said Monday (Feb. 2)."