"There's a heated debate over the use of antibiotics in farm animals. Critics say farmers overuse these drugs; farmers say they don't. It's hard to resolve the argument, in part because no one knows exactly how farmers use antibiotics."

"Federal authorities are struggling to explain why 600 people in 22 states have fallen ill from a foodborne parasite rarely seen in the United States. But some officials are ready to finger one culprit that has hindered their investigation: the sequester."

"Wilma Subra, a diminutive grandmother, has long challenged the corporate polluters in one of the nation's most toxic regions."

"DETROIT -- Remaining mounds of petroleum coke have been removed from the Detroit riverfront ahead of a city-imposed deadline but more time is needed to haul construction materials away from the sites, according to a storage company."

"MONTREAL — Quebecers should be worried that it took 15 years for officials to clue into the fact that a Pointe-Claire company had a yard full of toxic materials, says one environmental expert, and the public should be demanding more transparency in the wake of the discovery."

"An Oakland watchdog group has sued four companies and plans to sue dozens more for allegedly manufacturing or selling shampoos, soaps and other care products without attaching labels warning consumers that they contained high levels of a carcinogen."

"A measles-like virus that suppresses the immune system could be the reason an extraordinary number of bottlenose dolphins have died after becoming stranded along the U.S. East Coast, a panel of dolphin experts said on Tuesday."

"The 53,000 water utilities in the United States deliver some of the safest drinking water in the world — a public health victory of unrivaled success that began in 1908 with chlorination campaigns in Jersey City and Chicago. Still, millions of individual cases of waterborne diseases occur annually and related hospitalization costs approach $1 billion each year. In 2007 and 2008, the most recent years for which figures are available, the Centers for Disease Control and Prevention recorded 164 waterborne disease outbreaks, almost entirely from protozoan cysts of the parasite Cryptosporidium."

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

"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."