(For a much longer version of this analysis, and all the accompanying political and strategic discussion, see our recent book, Dead Heat: Global Justice and Global Warming. See Dead Heat post, or browse to the Seven Stories Press Dead Heat page, where you can actually buy a copy.)
Our goal here is hardly comprehensive. We suffer no illusion that we can summarize climate science as a whole. But we do think that can distill out the part of the science that bears most immediately on the core problem of drawing the line.
Should the climate negotiations try to cap CO2 pollution in the atmosphere at 550 parts per million (ppm), 450 ppm, or some other (hopefully lower) figure Or should we take an entirely different approach and try to cap temperature change itself, rather than CO2 pollution And what must we know about the kinds of impacts and instabilities that can be expected at any given level Continue reading “The Science of Drawing the Line”