The race to find a solution to a rapidly warming world is one of the most pressing challenges facing our planet. One proposal to try to halt this warming is literally out-of-this-world: a giant, space-based sunshade. We’re already modifying our climate by accident, so why not do it by deliberate geoengineering?… And sulphate particles, as it turns out, are extraordinarily effective ozone-destroyers. Professor Alan Robock from Rutgers University authored a report on the risks of such interventions.
/ / / How a giant space umbrella could stop global warming