A Brazilian Scientist Mariangelina Hungria spent 40years developing bacteria that supply crops from nitrogen from the air. A $2 solution replaces fertilisers and cuts 230 million tons of CO2 emissions, granting her “World Food Prize” award
https://www.reddit.com/r/Damnthatsinteresting/comments/1w4jz5d/a_brazilian_scientist_mariangelina_hungria_spent/