Scientific evidence and new analyses demonstrate that control of black carbon particles and tropospheric ozone through rapid implementation of proven emission reduction measures would have immediate and multiple benefits for human well-being. Black carbon exists as particles in the atmosphere and is a major component of soot; it has significant human health and climate impacts.

The primary goal of the annual State of the Climate collection of articles is to document the weather and climate events of the most recent calendar year and put them into accurate historical perspective, with a particular focus on unusual or anomalous events.  This report states that year 2010 was notable for its globally-averaged warmth and for the far-reaching impacts related to signifi

Efforts to limit climate change generally focus on reducing carbon dioxide emissions caused by burning fossil fuels. However, another byproduct of fossil fuel combustion is black carbon, a major component of soot. Sources include diesel truck and car engines as well as wood fires, kilns, and stoves.

This report recommends the establishment of a global system to provide information to help manage climate risks and opportunities. The report proposes an implementation strategy for a Global Framework for Climate Services (GFCS) and estimates the costs of implementing the strategy would be US$75 million per year.