When we think of human waste excrement, we think of it as a issue we have to solve by create sewer systems to get it as quickly and easy out of our cities. As aposed to a resource we could use like compost to grow food. Allot of waste issues seem to be down to perception; to one person waste is to get rid of which requires energy to do so and to another waste can be seen as an untapped resource to create energy.
No comments:
Post a Comment