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"WATERFLOW — The sickness came in increments, a slow onslaught of weight loss, stomach pain and extreme diarrhea."

"Experts claim current rate of change is likely to be more than 10 times faster than it has ever been in Earth's history."

"Koch Industries, which drew protests earlier this year over speculation that it might buy the Chicago Tribune or other Tribune Co. publications, said it's no longer interested in bidding for the newspapers."

"BENTON HARBOR -- While inspecting a house for lead contamination, Steve Weldert came across a child's toy dump truck in a window sill filled with paint chips."

"OTTAWA -- Ever since President Obama said in June that a litmus test for the proposed Keystone XL oil pipeline from Canada was whether it would 'significantly' worsen global warming, Canadian government officials have insisted it would not."

"FORT LAUDERDALE, Fla. -- With inviting beaches that run for miles along South Florida’s shores, it is easy to put sand into the same category as turbo air-conditioning and a decent mojito — something ever present and easily taken for granted."

"PITTSBURGH -- A project examining the local health impacts from natural gas drilling is providing some of the first preliminary numbers about people who may be affected, and the results challenge the industry position that no one suffers but also suggest the problems may not be as widespread as some critics claim."

"Even the best national data on chemical accidents is wrong nine times out of 10."

"A Dallas Morning News analysis of more than 750,000 federal records found pervasive inaccuracies and holes in data on chemical accidents, such as the one in West that killed 15 people and injured more than 300."

"In fact, no one at any level of government knows how often serious chemical accidents occur each year in the United States. And there is no plan in place for federal agencies to gather more accurate information.

"CHARLESTON, W.Va. -- Obama administration officials on Friday proposed to update the federal government's 42-year-old exposure limits for silica dust, a move the Labor Department said would prevent 700 deaths and 1,600 new cases of silicosis every year. The proposal would provide new protections for 2.2 million American workers, cutting in half the legal limit for dust exposure on the job."

"The blaze, now 134,000 acres, pushes into Yosemite National Park. Each day, what it does depends on the wind."