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"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."

"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."

"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."