Green Options

NASA’s new ingeneous design calls for using large plastic bags, made of forward-osmosis membranes, and filled with sewage for offshore harvesting of algae for bio-fuel. Don’t expect any protests against this “offshore” oil-generation!

The algae! Yes – the same slimy brown-green ‘plant’ that makes a pond or a lake look yucky – is the creating a great buzz as the most promising source of alternative energy. And now nanotechnology is being leveraged to add some more zing to the promise!