California's efforts to clean up diesel engines have helped reduce impact of climate change on state, study finds
Friday, June 14, 2013 - 06:30
in Earth & Climate
(Phys.org) —Reductions in emissions of black carbon since the late 1980s, mostly from diesel engines as a result of air quality programs, have resulted in a measurable reduction of concentrations of global warming pollutants in the atmosphere, according to a first-of-its-kind study examining the impact of black carbon on California's climate.