Global Warming
Definition
The progressive gradual rise of the Earth's average surface temperature.
Source
International Union of Forest Research Organizations (IUFRO). "Carbon in Forests Multilingual Glossary of carbon-related forest terminology." 18 September 2010. http://iufroarchive.boku.ac.at/silvavoc/carbonglossary/main.php?type=tr…
Alternative definition
The progressive gradual rise of the earth's surface temperature thought to be caused by the anthropogenic greenhouse effect and responsible for changes in global climate patterns.
Alternative source
(Code3)United Nations (1997); United Nations Framework Convention on Climate Change, Glossary, 2003 (http://unfccc.int/resource/cd_roms/na1/ghg_inventories/english/8_glossa…).