The most surreal alternative energy sources in human history

Finding effective, clean, green alternative energy is an urgent job. And it turns out, people can take advantage of a lot of weird things that nobody thinks of to create energy.

Earth is at risk of entering an energy crisis when resources are exhausted. Moreover, due to environmental impacts, most countries in the world are aiming to develop alternative energy sources with 3 criteria: efficiency, convenience, and most importantly, to be clean.

Speaking of clean energy sources, we can easily name the wind and the sun. But actually, people have taken advantage of many other things to create energy, but if you hear the name, you can't believe it.

What are those energy sources? Please see Infographic below for more details.

The Argentina Institute of Technology has found a way to turn cow's waste into a new alternative energy source.

The oil content in coffee grounds is up to 20% and bio-gasoline from the best quality coffee grounds in the market.

We can take advantage of the heat radiating from the crowd, engineers have turned it into energy.

Scientists are looking for ways to alter the genes of beetles to feed them waste and excrete crude oil.