algea

Amazing stuff really, gas produced by algae, with sunlight and co2!

These days, many experts are saying that we’re not going to be able to stop climate change just by decreasing emissions. To dig our way out of this hole, they say, we’re actually going to need to take carbon dioxide out of the air. A new breed of entrepreneur has sprung up, saying "If we have this CO2, why don't we do something useful with it!?"