Argument: Unethical to change planet w/o universal approval
- Debate: Geoengineering, solar shading - con argument.
Richard Somerville, a climate researcher at Scripps Institution of Oceanography in California: "I should say right up front, I am not at all in favour of geoengineering. I think it's inherently unethical. I don't see how you decide on the basis of all humanity how to change the planet."