This seems overly dismissive of a solution to a rapidly approaching crises effecting billions of people. Geoengineering can be studied like anything else. If a

This seems overly dismissive of a solution to a rapidly approaching crises effecting billions of people. Geoengineering can be studied like anything else. If applied, it will have negative externalities like everything else. The few millions spent is a small bet on something that could have a big impact.