ENCORE It’s not just tin cans and newspapers. One man says that, from a technical standpoint, everything can be recycled – cigarette butts, yoga mats, dirty diapers. Even radioactive waste. You name it, we can recycle it. But we choose not to. Find out why we don’t, and how we could do more. 

Plus, a solar-powered device that pulls water from the air – even desert air. 

And, something upon which life depends that seems dirt cheap, but can’t be replenished: soil. What happens when we pave over this living resource? 

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