The origins of three power sources that utilize Earth’s renewable natural resources.

Originally released by Bellum Entertainment, 2015. Streaming video file encoded with permission for digital streaming by Infobase on June 03, 2016.

Wind Energy (2:15); --Wind: Electrical Generation (2:24); -- Wind: Turbine Development (2:07); -- Solar: Concentrating Sun Rays (2:14); -- Solar Energy (3:45); -- Hydro Energy (2:14); -- Hydro Energy: Steam Power (2:01); -- Hydro Energy: Grand Coulee Dam (1:37); -- Geothermal Heat (1:45); -- Credit: Wind, Solar, & Hydro Energy: Origins-The History of Everything! (0:26); .