Experts predict that the world will run out of traditional fossil fuels within fifty to one hundred years from now.
Renewable energy sources – such as wind, solar, wave, tidal and geothermal energy – have been steadily growing in popularity around the world for well over a decade, and as resources like coal and gas become more scarce,the world will need to up its renewable capacity.
Have you ever been confused by renewable energy? This excellent short video from National Geographic explains what it is, the advantages and disadvantages of alternative energy, and the challenges the world still needs to overcome in order to let go of our fossil fuel dependency.
The video answers questions such as:
- What is renewable energy?
- What are the most common sources of renewable power?
- What are the benefits of renewable energy?
- Are there any downsides to renewable energy?