August 10, 2015, 10am PDT
The Environmental Protection Agency finds itself in a peculiar place. Normally it investigates spills caused by the private sector. Now it's cleaning up a massive spill it caused while investigating a leak at an abandoned mine in southwest Colorado.
The New York Times - U.S.
August 15, 2012, 7am PDT
Three decades after it was established, the EPA's Superfund program is taking on some of the most complex and costly projects ever attempted. With many focused underwater, some worry the stirring up of polluted sediment will exacerbate the problem.
May 9, 2012, 8am PDT
After decades of use as a landfill, Overpeck Creek's recent makeover has created a dream home for rowing crews from around the New York region, reports Juliet Macur.
October 3, 2010, 1pm PDT
Most of the bullets made for WWI and II came out of the ground under Picher, Oklahoma. The minerals ran out in 1970, and the OK government bought out residents of the city to get them to leave. A handful of people stayed.
June 17, 2009, 10am PDT
Coal ash retention ponds are so numerous and so toxic that they are now considered to be a potential threat to national security.
September 12, 2008, 11am PDT
The city of Los Angeles forms a task force of prosecutors, police, and others to combat illegal disposal of trash all over town.
June 2, 2008, 7am PDT
<p>Oshawa, Ontario residents have noticed a suspicious substance leaking into their community. Development next to the former landfill almost didn't happen because city planners worried about this very possibility.</p>