Russ George, profiled by Bruce Falconer in our May/June 2014 issue, gained notoriety for his attempt to replenish Canadian salmon stocks by seeding the ocean with iron. In late February, the National Academy of Sciences released a report examining the feasibility of another geoengineering scheme: releasing particles into the atmosphere to reflect sunlight. According to the study, it’s a potentially cheap method to forestall climate change, but comes with a high risk of unexpected consequences. Brad Plumer re-interpreted the academy’s point for Vox: “Geoengineering is an insane way to deal with climate change. Let’s consider it anyway.”
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