Environment

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The thin green line: Investing in urban parks

A new report has found that, in spite of the recession, cities are investing in urban parks. Alison Stewart tours one such park — an old elevated rail line in New York City.

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Storm in the Swat valley

In Pakistan’s Swat valley, the aftermath of a violent Taliban invasion and army counter-offensive was interrupted by even more destructive devastation from this summer’s massive floods. Tomas van Houtryve’s haunting video and photo slideshow documents the valley’s efforts to find refuge while still stockpiling weaponry and ammunition.

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Feds warn residents near Wyoming gas drilling sites not to drink their water

The federal government is warning residents in a small Wyoming town with extensive natural gas development not to drink their water, and to use fans and ventilation when showering or washing clothes in order to avoid the risk of an explosion.

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The disappearing delta

Need to Know revisits a report about the erosion of the wetlands along the Louisiana coastline — New Orleans’ natural buffer against hurricanes.

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The price of gas: A Need to Know investigation

In collaboration with ProPublica, Need to Know correspondent John Larson investigates the practice of “fracking,” which some Wyoming residents say is polluting their water.

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Unnatural disaster: The fifth anniversary of Katrina

Need to Know follows Harry Shearer, the writer and comic actor, through New Orleans, as he punctures the myths and misconceptions about Hurricane Katrina.

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Actor Mark Ruffalo speaks out against fracking

Actor Mark Ruffalo, a resident of upstate New York, talks to Need to Know about the controversial oil and gas drilling practice known as “fracking,” which he opposes.

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Climate scientist calls Va. attorney general’s fraud probe ‘harassment’

An influential climate scientist who has been accused by the Virginia attorney general of defrauding the public calls the probe “criminal harassment” and warns that the case could set a “horrifying” precedent.

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  Should you eat Gulf seafood?

Having second thoughts about that shrimp kebab or grouper sandwich? Alison Stewart tells you what you need to know about eating seafood from the Gulf.