Bubble
Definition
An informal term referring to a provision in the Kyoto Protocol (Article 4, para. 1) that allows a group of countries to aggregate their emissions and emissions targets, and strive to meet the latter jointly. The European Union, through its Emission Trading Scheme, has utilized this provision.
Source
Glossary and Abbreviations. "Post-Kyoto-International-Climate Policy". 2009 http://belfercenter.hks.harvard.edu/publication/19017/postkyoto_interna…
