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Abbreviations and Acronyms

AR4

Fourth Assessment Report of the Intergovernmental Panel on Climate Change

AR5

Fifth Assessment Report of the Intergovernmental Panel on Climate Change

BAU

business-as-usual

CO2

carbon dioxide, a greenhouse gas

CO2-e

carbon dioxide equivalent

CDM

Clean Development Mechanism of the Kyoto Protocol

EU

European Union

GDP

gross domestic product

IPCC

Intergovernmental Panel on Climate Change

ppm

parts per million

REDD+

Reducing emissions from deforestation and forest degradation in developing countries

UNEP

United Nations Environment Programme

UNFCCC

United Nations Framework Convention on Climate Change

WRI

World Resources Institute