Switzerland proposed a resolution on geoengineering governance at UNEA-4 earlier this year.
UN's top climate science body said slashing carbon pollution won't stop Earth from overheating.
Cutting carbon emissions alone won't be enough to prevent damaging climate change, scientists warn.
Scientists warn that artificially cooling the Earth to counter global warming could have devastating environmental effects
Targeting geoengineering in one hemisphere could have a severely detrimental impact for the other, the study said.
Harvard scientists identify aerosol that can cool the planet and repair the ozone layer at the same time
The Harvard researchers focused on highly reactive aerosols, that can have potentially beneficial effects.