The Greenhouse Effect

In this video Paul Andersen explains how the greenhouse effect and greenhouse gases keep our planet warm enough to be habitable. He explains how greenhouse gases keep heat closer to the surface. He finally shows how increases in greenhouse gases may lead to dangerous global warming. PhET Simulation: http://phet.colorado.edu/en/simulation/greenhouse Do you speak another language? Help me translate my videos: http://www.bozemanscience.com/translations/

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