"More than 1,100 laboratory incidents involving bacteria, viruses and toxins that pose significant or bioterror risks to people and agriculture were reported to federal regulators during 2008 through 2012, government reports obtained by USA TODAY show."

"The explosion of new food additives coupled with an easing of oversight requirements is allowing manufacturers to avoid the scrutiny of the Food and Drug Administration, which is responsible for ensuring the safety of chemicals streaming into the food supply."

"A new concessions contract for businesses on the South Rim of Grand Canyon National Park will cost the park $100 million, an amount that could impact just about all operations in the park, Superintendent Dave Uberuaga said Wednesday. In the long run, however, the move stands to benefit both the park and its visitors, observers believe."

"A federal magistrate has dismissed most of a lawsuit by environmental advocates challenging the government's approval of numerous pesticides, but said they can pursue claims that federal officials allowed 11 chemicals on the market without getting up-to-date information about hazards to endangered species."

"The Environmental Working Group said Thursday there are nine elementary schools in Iowa that are within 200 feet of a corn or soybean field, a concern the green group highlighted as regulators consider whether to approve a controversial new herbicide."

"For the third time this summer, the Environmental Protection Agency (EPA) has shot back at the Chamber of Commerce, saying the business group misrepresented the agency’s economic analysis."

"Former President Carter says climate skeptics are the 'biggest handicap' for the U.S. when it comes to acting on global warming."

"Attacks on an electric facility and increased attention from regulators has fueled concern about safeguarding facilities."

"Susan Swithers is no stranger to food industry criticism."

"Energy companies have used thousands of gallons of diesel to frack for oil and gas without obtaining the necessary permits required under federal law, according to a new report by the Environmental Integrity Project."