Vast sums of private and public money are now chasing a once-fringe idea: deliberately reflecting a slice of sunlight back ...

Scientists have warned that relying on solar geoengineering would be incredibly risky for humanity. The United Nations has once again warned this week that we are not on track to meet the carbon ...

Solar geoengineering could halve the economic cost of climate change, but stopping it would cause temperatures to rebound ...

Reusable rockets that deliver sun-reflecting aerosols to the top of the stratosphere could cool the planet – with fewer negative side effects than lower-altitude solar geoengineering. But a fleet of ...