To draw down carbon and cool off the planet, ocean fertilization gets another look | Science

In January 2009, a German research ship set out for the Southern Ocean carrying 6 tons of iron and a boatload of controversy. The iron was meant to trigger a massive phytoplankton bloom that would suck carbon dioxide (CO2) from the air, but environmentalists objected, viewing the trial as a reckless form of geoengineering. The … Read more