Item No: ECK020ENPDF
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Challenge Kit since: Nov 01/14
Did you know that enough sunlight falls on the Earth's surface every hour to meet the world's energy demand for an entire year? Or that in worldwide supplies of fossil energies, there are only 230 years of coal, 70 years of gas, and 40 years of fuel left to use? The time for Renewable Energies is now!
Take a look inside the Renewable Energies challenge kit PDF to learn more.
Companion patch is sold separately.
