A hundred years ago, two teams were racing to the South Pole. The Norwegian team led by Roald Amundsen made it first, beating British explorer Robert Scott. But only Scott did pioneering science--and photography--along the way. Ira Flatow and guests discuss the achievements of the first Antarctic expeditions.
Despite efforts to clean up lakes, rivers and wetlands during the past 40 years, many of the region's waterways, as well as the people and creatures living and playing in them, are still haunted by a legacy of pollution that was deposited decades, sometimes even centuries, ago.
In the coming months, the Obama administration must decide whether to approve an oil pipeline that would carry tar sands oil from Canada through the U.S. The decision will divide his political base: labor, which says the pipeline would create jobs, and environmentalists, who worry about its impact.
Familiar French varieties aren't well-suited to high temperatures, so some researchers suggest cross-breeding to make the grapes more heat tolerant or drought-resistant. But once you breed pinot noir with something else, you can't call it pinot noir anymore. And marketing new wines is a challenge.
Even if people used bikes to run short errands than half the time, it could save more than 1,100 lives a year in 11 Midwestern cities, thanks to reduced air pollution and improved health. That's the word from scientists at the University of Wisconsin, who figured people would bike 4 months out of the year.
Wildlife outfitters in Wyoming are hurting because of the declining moose population. They depend on big game hunters for their livelihood. These businesses typically blame the reintroduction of wolves to the area as well as the states exploding grizzly bear population for the moose decline. But a decade-long drought in the region may be to blame.
As the world's population tops 7 billion people, population experts are worried about inevitable increases in cars, computers, bigger homes and a drain on resources. In an effort to combat this, one California company is producing small, energy-efficient homes — some as tiny as 300 square feet.
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