We tend to just flush waste and not think about it again, but scientists are realizing that human waste is an incredibly valuable and largely untapped resource. Human waste technology can produce clean water, power, and aid in medical research. The best part is that energy from human waste is far more efficient than fossil fuel energy.As gross as it may sound, urine- and poop-powered technology could be the key to a more sustainable future. If you still need convincing, check out all the cool technologies that use human waste on this list.
Composting Toilets Turn Crap Back into Food
Heat and Cooking Gas from Poo