RTCC: If Bill Gates was so inclined, he could reduce the worlds temperature by one degree.
All it would takes is a fleet of high altitude planes, releasing millions of tonnes of sulphur dioxide into the stratosphere, deflecting the suns rays from planet earth.
The start-up costs of this technique, called Solar Radiation Management (SRM) are around $10 billion, with running costs of around $5 billion a year. Thats peanuts compared to current climate mitigation and adaptation estimates.
Solutions...