"A coalition of grassroots environmental groups—plus a few professors and celebrities—issued a public message to the Environmental Defense Fund on Wednesday: You don't speak for us on fracking."

"Until an outbreak of tornadoes in the past week, this year had been a relatively quiet one for twisters in the Midwest and Plains states."

"WASHINGTON, DC -- The Obama Administration’s plan to remove the gray wolf from the protections of the Endangered Species Act, as detailed in a draft Federal Register notice released today by Public Employees for Environmental Responsibility, PEER, is temporarily on hold."

"In a rare display of bipartisanship on Capitol Hill, a group of key senators unveiled legislation Wednesday that would require chemical companies to provide more health and safety information about their products and give regulators more power to force harmful compounds off the market."

"Scientists have used plant samples collected in the mid-19th Century to identify the pathogen that caused the Irish potato famine."

"The House of Representatives approved a bill as expected on Wednesday declaring that a presidential permit was not needed to approve the Canada-to-Nebraska leg of the Keystone XL oil pipeline, a move that would take a decision on the project away from the Obama administration."

"At least 800,000 people across the United States live near hundreds of sites that store large amounts of potentially explosive ammonium nitrate, which investigators are blaming as the source of last month's deadly blast at a fertilizer plant in West, Texas, a Reuters analysis shows."