cultured oil
This fermented cooking oil could replace vegetable oil 
sustainable air conditioning
Bill Gates-backed startup is building sustainable ACs
sustainable meat
The future of meat is sustainable — and a little weird
old laptop
Google’s free tool will breathe new life into your old laptop
This little robot is cleaning up beaches, one cigarette butt at a time 
Engineers create world’s first carbon-neutral cement out of algae 
offshore wind turbines
These bendy wind turbines won’t crack in hurricanes
After millennia of agricultural expansion, the world has passed “peak agricultural land”
Where does the plastic in our oceans come from?
Electric car supplies are running out