300 years of fossil fuels in 300 seconds
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fossil fuels and...
d) China's coal use
e) environmental problems
f) international relations
Biofuels can provide energy without the reliance on environmentally harmful fossils fuels -- but scientists are still searching for a plentiful source. Craig A. Kohn demonstrates how cellulose, the naturally abundant tough walls of plant cells, might be the solution.
Where on Earth can our energy-hungry society turn to replace oil, coal, and natural gas? Read this National Geographic article to learn more.
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