Sulfur dioxide

Zhou, Nan, Lynn K Price, Nina Zheng, Jing Ke, Ali Hasanbeigi, and Nina Khanna. National Level Co-Control Study of the Targets for Energy Intensity and Sulfur Dioxide in China. Lawrence Berkerley National Laboratory, 2011.

Levinson, Ronnen M, and Hashem Akbari. "Potential benefits of cool roofs on commercial buildings: conserving energy, saving money, and reducing emission of greenhouse gases and air pollutants." Energy Efficiency 3.1 (2010) 53–109.