Explore the latest findings on black carbon, a significant contributor to global warming, in this 47-minute AGU 2010 Fall Meeting press conference. Discover encouraging results from California's clean air laws and learn about innovative monitoring technologies for developing countries. Gain insights from distinguished climate scientists V. Ramanathan and Nithya Ramanathan as they discuss the impact of particulate pollution from biomass burning and vehicle emissions. Understand the role of the Interagency Monitoring of Protected Visual Environments (IMPROVE) network in tracking air quality improvements. Examine a novel household technology transformed into a scientific tool for monitoring soot and other forms of black carbon in developing nations.