One of nature's principles of sustainability is to rely mostly on renewable energy. We can get renewable solar energy directly from the sun or indirectly from moving water, wind and biomass. Other forms of renewable energy are geothermal and tidal. Here, you can get basic ideas of biomass and wind energy -- and more coming. 

By Anuradha Munshi, EcoCloud Energy Lead

Edited by Hoon Yun, EcoCloud Energy Co-Lead

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