Washington has touted the increased use of biofuels, such as ethanol, as a way to reduce carbon emissions, but a study published today suggesting boosting the use of biofuels also poses some environmental hazards, as The World's Jason Margolis explains.
We often blame rising population for the depletion of natural resources, but Pulitzer Prize-winning author Jared Diamond tells host Bruce Gellerman that we should really be more concerned about increased rates of consumption, especially in affluent Western societies.
Environmental activist and physicist Vandana Shiva talks global food politics with Living on Earth's Steve Curwood. Shiva is editor of the new book, "Manifestos on the Future of Food and Seed," which advocates local, organic and diverse food production.
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