Biofuels and bioprospecting for beginners - Craig A. Kohn

View full lesson: http://ed.ted.com/lessons/biofuels-and-bioprospecting-for-beginners-craig-a-kohn Biofuels can provide energy without the reliance on environmentally harmful fossils fuels...

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Translator: Andrea McDonough Reviewer: Jessica RubyYour car,the heating system in your house,your gas stove.Most of the energy you usecomes from fossil fuels,which present a couple of problems.First, there are limited supplies of fossil fuels,so the more we use, the less we've got.And second, the use of fossil fuelsis the main cause of climate changebecause it releases large amountsof carbon dioxide into the atmosphere.Biofuels come from natural, renewable sources like plants,so they have the potential to reduce our relianceon those limited supply fossil fuelsand reduce the risk of climate change.Most biofuels today are made from corn grainthat is fermented into ethanol.But we have a limited supply of this corn,so it's not a solution to the limited supply...