Related by context. Frequent words. (Click for all words.) 75 deforestation 57 REDD 57 tropical forests 53 biodiversity 53 tropical forest 51 rainforests 51 deforested 50 desertification 50 Amazon rainforest 49 forests 49 soil erosion 48 Global warming 48 Climate 47 Biodiversity 47 reforestation 47 rainforest 46 Malnutrition 46 atmospheric carbon dioxide 46 forest 46 Poaching 45 climate change 45 environmental degradation 45 Carbon dioxide 44 extinctions 44 biofuel crops 44 greenhouse gasses 44 Climate Change 44 biodiversity conservation 43 Drought 43 global warming 43 UNFCCC 43 forestland 43 anthropogenic 43 soil fertility 42 Pollution 42 Forests 42 semi arid 42 Rainforest 42 Emissions 42 afforestation 42 greenhouse gases 42 cropland 42 Clean Development Mechanism 41 crop yields 41 prolonged drought 41 UNEP 41 carbon sequestration 41 greenhouse gas 41 mangrove forests 41 acid rain 41 arable land 41 Impunity 41 habitat 41 Environment Programme 41 bio diversity 41 greenhouse gas emission 41 overfishing 40 carbon emission 40 subsistence farming 40 boreal forest 40 Global Warming 40 forested 40 Extinction 40 Developing nations 40 Agriculture Organization 40 greenhouse gas emissions 40 greenhouse emissions 39 urbanization 39 ocean acidification 39 Erosion 39 Methane 39 subsistence farmers 39 Climate Change IPCC 39 Biofuel 39 timber harvest 39 heat trapping gases 39 vegetation 39 Kyoto Protocol 38 poverty eradication 38 CERs 38 savanna 38 malnutrition 38 palm oil 38 droughts floods 38 ecosystems 38 coastal erosion 38 Agriculture Organisation FAO 38 FAO 38 Agriculture Organisation 38 burning fossil fuels 37 grasslands 37 IUCN 37 droughts 37 Poverty 37 WWF 37 melting glaciers 37 Mitigation 37 Mudslides 37 CDM 37 indigenous peoples 37 Achim Steiner