Guardian: Controversial geoengineering projects that may be used to cool the planet must be approved by world governments to reduce the danger of catastrophic accidents, British scientists said.
Met Office researchers have called for global oversight of the radical schemes after studies showed they could have huge and unintended impacts on some of the world's most vulnerable people.
The dangers arose in projects that cooled the planet unevenly. In some cases these caused devastating droughts across Africa;...