Kyoto protocol Global warming 3 Climate change 2 Deforestation 2 Montreal protocol 2 Buenos Aires 1 CDM ( Clean Development Mechanism) 1 Carbon dioxide 1 Carbon dioxide and climate change 1 Carbon markets 1 Chloro Fluorocarbons 1 Chloroflouro carbons 1 Clean Development Mechanism ( CDM) 1 Climate change convention 1 ELNINO 1 ElNino 1 Greenhouse gas emissions 1 International trade 1 Metahane and climate change 1 Ozone layer 1 Zero waste 1 ozone layer 1