Biofuels have been touted as the best hope for reducing reliance on fossil fuels and limiting greenhouse gases. Now many scientists are raising doubts about that. Reporter Kathleen Schalch examines the debate in Europe over the costs and benefits of biofuels.
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Germany’s commitment to cutting greenhouse gases is also paying benefits in economic development. Correspondent Kathleen Schalch reports from eastern Germany, where solar panels are big business. Listen
The answer to today’s Geo Quiz is the Maldives Islands, one of many island nations vulnerable to the effects of global warming. Anchor Marco Werman speaks with Charles Ehrhart, co-author of a study that attempts to chart how climate change will directly affect human populations. Listen
President Obama has called for the U.S. to become energy independent, saying its reliance on foreign oil and global warming posed threats. Outlining his energy priorities, he said the country would not be held “hostage to dwindling resources, hostile regimes, and a warming planet”.
In the fight to curb global warming, we’re often encouraged to drive less or use more fuel efficient cars. Well, it turns out that cars aren’t the biggest source of greenhouse gases. Buildings are responsible for roughly half of the total greenhouse gas emissions around the world. There’s a group of architects that’d like to change that. They call themselves ‘Architecture 2030′. Their goal is to make buildings that use no fossil fuels by the year 2030. The World’s Jason Margolis has our story.
