This piece arises from Future Tense, a collaboration among Arizona State University, the New America Foundation, and Slate. A Future Tense conference on geoengineering will be held at the New America Foundation on Monday, Sept. 27. (For more information, please visit the NAF Web site.) Read more of Slate's special issue on geoengineering.
The political acrimony surrounding the Democrats' failure to pass limits on U.S. greenhouse gases this year was fairly predictable by Washington standards. Both presidential candidates in the last election called for the government to create mandatory controls on carbon pollution, and Nancy Pelosi drove a bill through the House last year to do just that. But an equivalent measure died in the Senate without even a floor vote. In the end, no Republican senator supported Democrats' efforts to limit American emissions, relying primarily on arguments that the scheme was a big-government "energy tax" akin to Obamacare in its scope. Enviros and the Obama administration traded the inevitable recriminations; the gridlock mirrored the failed climate negotiations months before in Copenhagen.
With cap-and-trade probably dead for at least another two years, the politicos are left to consider other responses to climate change. One is massive investment in alternative energy and mitigation strategies. Another, rapidly gaining notice in Washington circles, is geoengineering research. The goal of the latter would be to devise emergency plans in the event of a worst-case scenario—if carbon emissions warmed the planet by 10 degrees this century instead of 2 degrees, for example. Whether they seek to block sunlight or remove CO2 from the atmosphere, geoengineering schemes will take decades of preparation, and scientists say we need to start studying them now. To embark on such a research program will take money, of course, and the expenditure of political capital. It's a controversial idea with complicated geopolitical ramifications. So the question of how geoengineering will play in Washington is an important one.
Taxpayer-funded studies of planet-hacking aren't yet a factor in the political debate on global warming, but the idea is getting plenty of attention. It's now difficult to find a respectable climate scientist who doesn't think the government should pay for an organized program to understand geoengineering. In the spring, the National Research Council laid out a variety of research areas—cloud brightening, stratosphere tinkering, roof-whitening—that should be tackled in "an integrated research effort." The American Geophysical Union and the United Kingdom's Royal Society both followed suit, with the latter calling for a ₤10-million-per-year government research effort. The Government Accountability Office, the House Science Committee, and the Bipartisan Policy Center will each, in the coming months, be releasing studies that will provide more detail on what such programs might cover and which federal agencies would do what. Experts say a transparent, coordinated federal program of $10 million to $30 million a year could be an important start.
As a policy option, planet-hacking science has only recently moved from being utterly ignored to being held at arm's length. A handful of scientists thinking about it are supported by the National Science Foundation and the Department of Energy. But the notion of creating a more substantial research program hasn't come up in any elections, and official Washington has held only three hearings on it, attracting little attention or controversy. Liberals have shied away; conservatives, to the extent they've acknowledged geoengineering at all, have used the issue to support various right-wing talking points about the socialist motives of environmentalists or the supposedly minor role of atmospheric CO2.
How will foes on either side of the climate debate handle the issue as it veers from science fiction into science policy? If anything, Republicans are less likely to support geoengineering research today than they were just a few years ago. During the 2000 election, George W. Bush called for regulation of greenhouse gases—and then John McCain did the same in 2008. (McCain's plan was almost as aggressive as what passed in the House last year.) In a 2001 speech from the White House Rose Garden, President Bush acknowledged that experts believed "human activity" was contributing to warming. His administration consistently downplayed its possible effects, but spending on climate research hovered near $1.9 billion per year while he was in office.
But whatever willingness Republicans once had to acknowledge the scientific facts on climate change seems to be melting away. In the last six months, Sarah Palin, McCain, and other leading GOP-ers have questioned the basic validity of the science behind warming, and scores of Republican candidates are now doing the same on the campaign trail. Since the very premise of planet-hacking research is the existence (or at least the significant likelihood) of a climate crisis, these Republicans would be hard-pressed to offer much support for the study of geoengineering.
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