Blue and Green: Senior US climate scientist Professor Alan Robock, from Rutgers University in New Jersey, has expressed concern the geoengineering, manipulating the climate, could be used as a weapon in the future.
Geoengineering involves manipulating the climate in order to reduce the negative effect of climate change. Scientists believe there are a number of ways this can be achieved but have warned it could have unintended and unpredictable consequences.
Speaking at the annual meeting of the American Association...