The Environment in Focus with Tom Pelton

Format: 2013-06-20

Drilling rig

A hotly debated study by Cornell University Professor Robert Howarth concludes that hydraulic fracturing for natural gas is as bad as coal mining--and perhaps worse--from a global warming perspective. Howarth says vast amounts of methane--a potent greenhouse gas--escapes during gas drilling and transportation, and this means that natural gas is not a clean, green bridge fuel to a low-carbon future. The industry strongly disagrees.

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American eel. Photo credit: NOAA.

The American eel, or Anguilla rostrada, is one of the strangest and most contrarian fishes in the world, with a migration pattern opposite that of most species.  But its populations are declining, in part because of overfishing for seafood markets in Europe and Asia, and because a growing number of their streams are blocked by dams and development.

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Crows.  Credit: iStockphoto.com

When the West Nile Virus spread from Africa to New York 12 years ago, crows became infected with the mosquito-borne disease and started dying by the millions across America. Many people blamed these black carrion eaters for spreading the flu-like illness to about 300,000 Americans. But now researchers say the crows were innocent victims, and West Nile Virus was spread by the more cheerful-looking American Robin and other birds.

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Fisheries scientist Bill Goldsborough (right) catching striped bass with host Tom Pelton (left).

Fisheries scientist Bill Goldsborough (right) catching striped bass with host Tom Pelton (left).

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