We lack the political mechanisms, or maybe even the political will, to decarbonize. So people are right to be worried, and some of them have therefore put forth various geoengineering plans as possible emergency measures: problematic, but better than nothing.Read the rest. (via)
Objections to geoengineering appeared immediately. Many people have expressed doubt that the proposals would work, or believe that a string of negative unintended consequences could follow. Merely discussing these ideas, it has been said, risks giving us the false hope of a "silver bullet" solution to climate change in the near future -- thus reducing the pressure to stem carbon emissions here and now.
These are valid concerns, but the fact remains: our current technologies are already geoengineering the planet -- albeit accidentally and negatively....
For the rest of history, we will be required to work at repairing the damage we've already done to the biosphere. Geoengineering, then, has become our ongoing responsibility to life on this planet, including all human generations to come....
...just as technology has aided us in the task of deforesting and draining our wetlands, so too does it now provide us with the capability to do things like reforest and rehydrate. Thinking about such potential reversals makes me believe the definition of geoengineering should be broadened. Our actions have a global impact; it's good to be reminded of this by giving that impact a name. Were we to take up hybrids and electric cars in great numbers, for example, could that be considered geoengineering? Under an expanded definition, absolutely. Whatever we do as a civilization of seven billion is inevitably going to have a geoengineering effect.
What about that number, seven billion? Could stabilizing our population count? Again, yes. And we know of one good way to achieve this goal: promoting women's legal and social rights. Wherever they expand, population growth shifts toward the replacement rate. This particular geoengineering technology nicely illustrates how the word technology can't be defined simply as machinery; it includes things like software, organizational systems, laws, writing, and even public policy.
Monday, December 03, 2012
Kim Stanley Robinson on Geoengineering
Kim Stanley Robinson, "Earth: Under Repair, Forever":