New paper on IGAC's response to WHO Air Quality Guidelines

The International Global Atmospheric Chemistry project comments on the revised WHO air quality guidelines

Clare Paton-Walsh, R Subramanian, James H Crawford, Laura Dawidowski, H Langley DeWitt, Lisa Emberson, Louisa Emmons, Rebecca M Garland, Yugo Kanaya, Aderiana Mbandi, Kerri A Pratt, Nestor Y Rojas, Abdus Salam, Kateřina Šindelářová, Vinayak Sinha, N'Datchoh Evelyne Touré, Liya E Yu, and Mei Zheng

Bounding the role of black carbon in the climate system: A scientific assessment. Bond, T.C., Doherty, S., Fahey, D.W. & Forster, P., Berntsen, T., DeAngelo, B., Flanner, M., Ghan, S., Kärcher, B., Koch, D., Kinne, S., Kondo, Y, Quinn, P.K., Sarofim, M., Schultz, M.G., Michael, S., Venkataraman, C., Zhang, H., Zhang, S., and Zender, C.S.. (2013). Journal of Geophysical Research: Atmospheres. 118. 5380-5552. 10.1002/jgrd.50171.