Change over time
As the time goes by there is more and more renewable energy sources.
- 200 b.c. : Europeans harness water energy to power mills - 10th century : Windmill is built in Persia -1860 : First solar power system developed in France -1888 : First wind turbine built to generate electricity -1921 : First geothermal power plant built -1935 : World's largest hydroelectric plant is built -21st century : Some countries are closer to 100% renewable energy |