Argument: Humans already changed climate; geoengineering not new
- Debate: Geoengineering, solar shading - pro argument.
Bryan Wassh. "6. Geoengineering". Time, What's Next in 2008: "the truth is, we're already performing an unauthorized experiment on our climate by adding billions of tons of man-made carbon dioxide to the atmosphere. Unless the geopolitics of global warming change soon, the Hail Mary pass of geoengineering might become our best shot."