Hacking the Earth

What do we do if our best efforts to limit the emission of greenhouse gases into the atmosphere fall short? According to a growing number of environmental scientists, we may be forced to try an experiment in global climate management: geoengineering.
Geoengineering would be risky, likely to provoke international tension, and certain to have unexpected consequences. It may also be inevitable.
Environmental futurist Jamais Cascio explores the implications of geoengineering in this collection of thought-provoking essays. Is our civilization ready to take on the task of re-engineering the planet?