Related by context. Frequent words. (Click for all words.) 89 global warming 71 Climate Change 70 Climate 66 Global warming 66 climate 64 greenhouse gas emissions 64 greenhouse gases 64 carbon emissions 63 Global Warming 62 reducing carbon emissions 61 greenhouse emissions 59 deforestation 59 greenhouse gas 58 carbon emission 58 biodiversity 57 desertification 57 carbon dioxide emissions 57 reduce carbon emissions 56 Climate Change IPCC 54 greenhouse gas emission 54 emissions 53 environmental degradation 52 emission reduction 52 carbon 52 CO2 emissions 51 GHG emissions 51 environmental 51 reducing greenhouse gas 51 carbon sequestration 51 Pachauri 50 climatic 50 environmentalism 50 reduce greenhouse gas 50 fossil fuels 50 pollution 50 biofuels 49 heat trapping gases 49 Kyoto protocol 49 emission reductions 49 Kyoto Protocol 49 UNFCCC 49 renewable energy 49 fossil fuel 48 ecosystems 48 GHG 48 Biodiversity 48 poorer nations 48 Copenhagen 47 renewable energies 47 acid rain 47 Copenhagen Accord 47 REDD 47 burning fossil fuels 47 carbon footprints 47 environmental sustainability 46 renewables 46 CO2 46 carbon capture 46 IPCC 46 obesity epidemic 46 tropical forests 46 carbon dioxide 46 warming 46 oceans 46 UNEP 45 Sustainable Development 45 Deforestation 45 ecology 45 Warming 45 Millennium Development Goals 45 Climate Action 45 melting ice 45 ecological 45 Greenpeace 44 An Inconvenient Truth 44 air pollution 44 Renewable energy 44 poverty eradication 44 bioenergy 44 sustainability 44 conservation 44 rainforests 44 pandemics 43 overfishing 43 Kyoto 43 carbon offsets 43 Environment 43 polluters 43 polluter 43 bio fuels 43 WWF 43 overpopulation 43 MDGs 43 biosphere 43 Sustainability 43 Arctic 43 Yvo de Boer 43 globalization 43 emission 43 natural disasters 42 environmentalists