There?s a lot of greening going on in Greensburg?there are green new building techniques, a brand new green attitude, and the use of renewable energy sources. So what are renewable energy sources? It's pretty self explanatory, really?they're ways of generating power that don?t usurp the earth?s resources and instead draw from sources that can be replenished and reused. These are some of the best renewable energy sources being used today:
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A post-apocalypse trip to the Svalbard Global Seed Vault to retrieve the seeds that will save humanity may seem like good fodder for a movie. But seed banks have important work to do right now.