27K views · 893 reactions | Sometimes a waterwheel and a river are all you need to produce green energy! It’s a modern application of ancient technology. Via DW Business #hydropower | DW Environment | Facebook

1.5M views · 3.9K reactions | Building process of a hydroelectric dam is explained step by step 類 #engineering | Crafty Engineer | Facebook

1.2K views · 22 reactions | Wind Energy 101: Have you ever wondered how wind turbines generate electricity? Wind turbines convert wind into electricity using a simple process: the force of the wind turns the turbine blades, which then spin a generator to produce clean, renewable electricity! ⚡ Visit https://www.energy.gov/eere/wind/how-do-wind-turbines-work to learn more about how #WindEnergy works. | U.S. Department of Energy Office of Energy Efficiency and Renewable Energy | Facebook