This is a new study, and Bond is a respected climate scientist. Nobody can class him as a denier. I love the new accurate data that science now has on the subject since SOURCE was launched.
Bounding the role of black carbon in the climate system: A scientific assessment
T. C. Bond1, S. J. Doherty2, D. W. Fahey3, P. M. Forster4, T. Berntsen5, B. J. DeAngelo6, M. G. Flanner7, S. Ghan8, B.
Kärcher9, D. Koch10, S. Kinne11, Y. Kondo12, P. K. Quinn13, M. C. Sarofim6, M. G. Schultz14, M. Schulz15, C.
Venkataraman16, H. Zhang17, S. Zhang18, N. Bellouin19, S. K. Guttikunda20, P. K. Hopke21, M. Z. Jacobson22, J. W.
Kaiser23, Z. Klimont24, U. Lohmann25, J. P. Schwarz3, D. Shindell26, T. Storelvmo27, S. G. Warren28, C. S. Zender29
1University of Illinois at Urbana-Champaign, Urbana, Illinois, USA.
2Joint Institute for the Study of the Atmosphere and Ocean, University of Washington, Seattle, Washington, USA.
3NOAA Earth System Research Laboratory, Boulder, Colorado, USA and Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, Colorado, USA
4University of Leeds, Leeds, UK.
5Center for International Climate and Environmental Research-Oslo and Department of Geosciences, University of Oslo, Oslo, Norway.
6US Environmental Protection Agency, Washington, DC, USA.
7University of Michigan, Ann Arbor, Michigan, USA.
8Pacific Northwest National Laboratory, Richland, Washington, USA.
9Deutsches Zentrum für Luft- und Raumfahrt Oberpfaffenhofen, Wessling, Germany.
10US Department of Energy, Washington, DC, USA.
11Max Planck Institute, Hamburg, Germany.
12University of Tokyo, Tokyo, Japan.
13NOAA Pacific Marine Environment Laboratory, Seattle, Washington, USA.
14Forschungszentrum Jülich GmbH, Jülich, Germany.
15Norwegian Meteorological Institute, Oslo, Norway.
16Indian Institute of Technology, Bombay, India.
17China Meteorological Administration, Beijing, China.
18Peking University, Beijing, China.
19Met Office Hadley Centre, Exeter, UK.
20Division of Atmospheric Sciences, Desert Research Institute, Reno, Nevada, USA
21Clarkson University, Potsdam, New York, USA.
22Stanford University, Stanford, California, USA.
23 European Centre for Medium-range Weather Forecasts, Reading, UK, King's College London, London, UK, and Max Planck Institute for
Chemistry, Mainz, Germany.
24International Institute for Applied System Analysis, Laxenburg, Austria.
25Eidgenössische Technische Hochschule Zürich, Zurich, Switzerland.
26NASA Goddard Institute for Space Studies, New York, New York, USA.
27Yale University, New Haven, Connecticut, USA.
28University of Washington, Seattle, Washington, USA.
29University of California, Irvine, California, USA.