"In an apparent effort to kickstart agency action on updating permissible exposure limits for hundreds of chemicals, the Occupational Safety and Health Administration asked the White House April 15 to approve a request to gather information on ways to address chemical exposure."

"Democrats are exploring a new attack line against the Koch brothers and Republican allies, telling voters the billionaire energy executives want to let home flood insurance premiums soar to help corporate America."

"A new study released Wednesday finds there are almost 10,000 schools across the country located within a mile of a chemical facility."

"A group of scientists and food activists is launching a campaign Thursday to change the rules that govern seeds. They're releasing 29 new varieties of crops under a new 'open source pledge' that's intended to safeguard the ability of farmers, gardeners, and plant breeders to share those seeds freely. It's inspired by the example of open source software, which is freely available for anyone to use, but cannot legally be converted into anyone's proprietary product."

"Oilfields are spinning off thousands of tons of low-level radioactive trash as the U.S. drilling boom leads to a surge in illegal dumping and states debate how much landfills can safely take."

"Cutting nitrogen dioxide levels for people of color could prevent thousands of deaths, Minnesota researchers said."

"When the Atlantic hurricane season opens June 1, national forecasters will roll out a new feature: color-coded and broadcast-ready maps to graphically show the potential for flooding from storm surges."

"WASHINGTON -- Last year, the U.S. wind energy industry chalked up a record number of projects and generating capacity under construction. By year end, private corporations invested billions of dollars, and new records for generation were set in many locations, according to the U.S. Wind Industry Annual Market Report Year Ending 2013, released Thursday by the American Wind Energy Association, AWEA."

"The United States needs to enact a major climate change law, such as a tax on carbon pollution, by the end of this decade to stave off the most catastrophic impacts of global warming, according to the authors of a report released this week by the United Nations Intergovernmental Panel on Climate Change."