20th Century Industrial Black Carbon Emissions Altered Arctic Climate Forcing

McConnell, J. R., Edwards, R., Kok, G. L., Flanner, M. G., Zender, C. S., Saltzman, E. S., Banta, J. R., Pasteris, D. R., Carter, M. M., Kahl, J. D. (2007). 20th Century Industrial Black Carbon Emissions Altered Arctic Climate Forcing, Science, 10.1126/science.1144856