Earthly intelligence can yield some far-out solutions

Beer, fungus, and murals all have something in common. That’s right. Each is an uncommon resource for a new, innovative, and eco-friendly invention. How could that be? The answer is as easy as one, two, three.
First, to avoid unused beer going stale outside Adelaide in South Australia, folks are feeling a bit giddy that closed restaurants are donating up to 40,000 gallons of beer each week to the local water treatment plant. Gaseous fuels produced by fermentation can be converted to biogas