Climate change: Aerosols heat up

  title={Climate change: Aerosols heat up},
  author={P. Pilewskie},
In the fourth assessment report of the Intergovernmental Panel on Climate Change (IPCC), released earlier this year, the effect on climate of aerosols — small, suspended particles of varying composition, size and shape — since the start of the industrial era was estimated to be about 20% of that of greenhouse gases. Aerosols are thought to have a cooling effect on the atmosphere, and therefore to have mitigated some of the expected global warming over this period. This is, however, a highly… CONTINUE READING