In recent years, businesses, local governments and individuals have set goals for reducing their emissions of greenhouse gases. In addition to directly reducing their own emissions, many of these entities have purchased carbon offsets to help achieve their mitigation goals. Yet establishing...

With the United Nations Framework Convention on Climate Change (UNFCCC) Agreements reached in Cancún, Mexico, in December 2010, the future role of international GHG offsets in climate action has become particularly uncertain. One of the more vexing questions is: how offsets will be accounted...

An estimated 2.6 billion people rely on traditional biomass for home cooking and heating, so improving the efficiency of household cookstoves could provide significant environmental, social and economic benefits. Some researchers have estimated that potential greenhouse gas emission reductions...