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This is the fourth of a multi-part podcast series on the exhibit, "Earth Lab: Degrees of Change," from the Koshland Science Museum. You can participate in the exhibit either by visiting the museum in Washington, DC or online at: http://koshland-science-museum.org In this podcast we will look at how human activity is causing climate change. Topics include: 1. Global CO2 emissions 2. US CO2 emissions 3. Comparison of US CO2 emissions by use in the residential, commercial, industrial and transportation sectors. |