Wired: A massive simulation of soot`s climate effects finds that basic pollution controls could put a brake on global warming, erasing in a decade most of the last century`s temperature change. Compared to the larger, longer term task of getting greenhouse-gas pollution under control, limiting soot wouldn`t be hard. Unlike new energy technology and profound changes in lifestyle, the tools — exhaust filters, clean-burning stoves — already exist. “Soot has such a strong climate …