Another scientist is taking a different approach to geoengineering. Instead of looking to the sky for solutions, he’s looking to the ocean. Victor Smetacek, a German oceanographer, is trying to cool the planet by growing carbon-absorbing gardens in parts of the ocean with little life.
In 2009, Smetacek and a team of Indian and German scientists added 6 tons of iron into a section of the Southern Ocean, which rings Antarctica, to see if they could get a massive bloom of algae to flourish. Read More