Algae-powered innovations are already happening in many ways and they hold the key to our sustainable future.
South Australia's massive battery project is complete and functioning, according to recent reports. Elon Musk took on the project after being challenged to do so via Twitter by an Australian billionaire.
Songdo International Business District is still under development but already boasts 100,000 residents, who don't drive and are able to walk to work thanks to mixed urban and sustainability planning.
US-based company Arched Cabins has come up with an affordable, and DIY, sustainable housing alternative.