Changing the Climate-Change Climate

By Bill McKibben, Grist.org. Posted January 26, 2005.

Day One

A crisp, cold, blue-sky New England day, fresh snow on the ground, and everything right with the world.

Except that last night, as I was preparing to attend a three-day conference on climate change here in Middlebury, Vt., yet another disturbing report on global warming drifted across the net.

This one comes from the International Climate Change Taskforce, co-chaired by Stephen Byers, a Tony Blair confidant from the U.K., and Olympia Snowe, the Republican senator from Maine. In one sense, it's nothing new: yet another document from moderate world leaders calling for urgent action and imploring the U.S. to join with the rest of the developed world to get something done. File it with similar reports from the National Academy of Sciences, the Nobel laureates, all the rest. This one's designed, apparently, to function as Blair's talking points for the coming year, during which he will serve as head of both the G8 and the E.U., and has promised to make climate change a top priority.

In another sense, though, the report is actually quite startling. It posits a new number as the climate crisis point: 400 parts per million atmospheric concentration of carbon dioxide. That concentration, the report says, has a better-than-even chance of eventually producing temperature increases of 2 degrees centigrade – enough to trigger widespread drought, crop failure, and rising sea levels. That 400 ppm number is very low; previously, most crisis scenarios focused on 550 ppm, which would represent a doubling of pre-Industrial Revolution carbon concentrations.

It's as if the American Medical Association suddenly announced that you needed your cholesterol down below 100 or your heart was going to go. This is especially bad news given that the earth's CO2 levels are already north of 375 ppm and increasing by two parts annually. Clearly we are heading straight past the 400 level. Recognizing that, the report's authors call on us to limit the amount of time the planet spends above the 400 mark, and to get back below it well before century's end. Which essentially means: change everything, right away.

None of which will be easy (an understatement underscored by another report that came in overnight, this one showing that China's economy grew 9.5 percent last year, its fastest increase in eight years). But it does provide a stirring background for the "What Works?" conference that kicked off today at Middlebury College, a semi-closed session designed to figure out why the United States has lagged behind the rest of the planet when it comes to global warming, and how we might catch up.

It's a conversation that clearly needs to happen. Since climate change emerged as an issue in the late 1980s, the U.S. environmental movement has floundered in its efforts to make progress. No legislation of any consequence has come close to passing the House or Senate; none of the three presidents in that period have really put their muscle behind any action; and the current administration has about as much interest in the issue as that of, say, Warren Harding. In short, pretty much a total rout, especially in contrast to Western Europe and Japan, where the progress, while modest and halting, has been real.

Bill McKibben is the author of The End of Nature and Enough: Staying Human in an Engineered Age.

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