E.C.O: A CNN powered sorting machine — Look at your phone — valuable isn’t it? It allows you to message your friends and family, play games, keep updated on the world around you, and read articles such as this one. Yet, what happens when you’re done with it? Sure you might sell it or leave it in…

And how to turn a city into a solar farm The energy crisis Currently every day humanity uses over a million terajoules of energy. That’s over 1,000,000,000,000,000,000 joules or a million, million, million joules. And that number is only expected to grow. Nearly 75% of global greenhouse emissions come from energy and energy…