As the search for cheap, safe and non-carbon emitting sources of energy continues, a band of scientists say the answer may be nuclear reactors fueled by thorium. Others caution that thorium reactors pose waste and proliferation risks. Ira Flatow and guests discuss the pros and cons of thorium reactors.
Majorities of Americans say that global warming and clean energy should be among the nation's priorities, according to a new survey. Will those feelings translate into any action in the government? Anthony Leiserowitz of the Yale Project on Climate Change Communication discusses the survey's findings.
While the glaciers hold enough water to raise sea level feet by 20 feet, a new study says the runaway meltdown of Greenland's ice isn't happening as some had feared. This means a "worst-case scenario" of 6 feet of sea level rise by the end of this century is unlikely, a polar researcher says.
DC was historically known as the "City of Trees," and it's still true today, with nearly forty percent of the city covered by tree canopy. We'll find out the best places to see enjoy our green bounty, and talk to the department responsible for caring for all those trees.
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