TechnologyGrassroots Inventors Are Building Their Own Wind Turbines — and Teaching the World to FollowA growing movement of renewable-energy enthusiasts is constructing homemade wind turbines from scratch, empowering communities to achieve energy independence.
TechnologySolar Power Now Cheaper Than Ever — Clean Energy Revolution AcceleratesNew report shows solar energy costs have dropped 90% in a decade, making it the cheapest electricity source in history.
