"Three years ago, the Department of Homeland Security passed new regulations. If you're a regular flyer, you know them well: no more bringing your drinks on the airplane. It turns out that this ruling isn't just inconvenient for us -- it's also inconvenient for the environment."

"Part of the Nevada Test Site that hosted nuclear blasts in the past has been closed to avoid a costly cleanup of contaminated soils."

"Psychological barriers like uncertainty, mistrust and denial keep most Americans from acting to fight climate change, a task force of the American Psychological Association said on Wednesday."

"In a matter of years or decades, researchers believe, animals and plants already are adapting to life in a warmer world. Some species will be unable to change quickly enough and will go extinct, but others will evolve, as natural selection enables them to carry on in an altered environment."

"Companies on three continents continue to make and sell consumer paints that contain dangerous levels of lead despite the availability of technology to produce high-quality, low lead paint. A tougher lead paint standard takes effect in the United States later this month, but imported consumer goods may still contain hazardous amounts of lead paint."

"Federal authorities in charge of the nation's biggest bust of artifact looting and grave-robbing are targeting more suspects ranging from those who do the digging to wealthy buyers in the lucrative black market of ancient Southwest relics."

"Government officials have been slow to upgrade security at U.S. laboratories that handle deadly germs nearly a year after congressional investigators found weak security controls, a new audit finds."

"A congressional chairman is demanding answers from a coal group about forged letters criticizing major climate legislation that were sent to three congressional offices ahead of the vote."

"The Senate reached a deal on saving the dwindling "cash for clunkers" program late Wednesday, agreeing to vote on a plan that would add $2 billion to the popular rebate program and give car shoppers until Labor Day to trade in their gas-guzzlers for a new ride."