environmental research web: Lack of detail spoils geoengineering schemes
The Atlantic: How Engineering the Human Body Could Combat Climate Change
NY Times: If Cutting Carbon Emissions Isn’t Working, What’s Next?
Scienceray Blog: Richard Branson and Bill Gates Playing as God
Marc Gunther Blog: Direct air capture of CO2 is becoming a business, for better or worse
Pringle, K. J.; Carslaw, K. S.; et al. (2012): A multi-model assessment of the efficacy of sea spray geoengineering