Shillong Times: How to fight global warming
"Geo-engineering is one area that has gathered momentum in recent years. It requires the deliberate intervention in the climate system with the aim of curbing global warming. One example is Solar Radiation Management, which involves reflecting more of the sun’s rays away from the planet back into space. This could be done by pumping sulphur aerosols into the high reaches of the atmosphere, where they would have similar reflective properties to the ash released naturally by volcanoes."