Related by context. Frequent words. (Click for all words.) 78 tropical forest 77 rainforests 70 forests 70 rainforest 65 deforestation 64 biodiversity 63 Amazon rainforest 59 coral reefs 59 forest 58 ecosystems 57 Deforestation 56 habitats 55 mangrove forests 55 REDD 54 savanna 54 boreal forest 53 habitat 53 grasslands 53 corals 53 vegetation 53 mangroves 52 species 51 forested 51 biofuel crops 51 biodiversity conservation 51 bio diversity 51 marine ecosystems 51 woodlands 50 Forests 49 flora 49 coral reef 49 glaciers 49 Rainforest 49 forestland 49 deforested 48 orangutans 48 grassland 48 tropics 48 Biodiversity 48 mangrove 47 biosphere 47 wildlife habitats 47 reefs 47 oceans 47 reforestation 47 atmospheric carbon dioxide 47 forestlands 47 plantations 46 amphibians 46 pine forests 46 climate change 46 semi arid 46 wetlands 46 savannah 46 indigenous peoples 45 dense forests 45 extinctions 45 coral 45 wildlife habitat 45 woodland 45 soil fertility 45 subsistence farmers 44 coastal wetlands 44 tropical 43 carbon sequestration 43 fauna 43 pollinators 43 trees 43 jaguars 43 eucalyptus trees 43 jungles 43 desertification 43 wetland 43 bird species 43 Environment Programme 43 arable land 42 medicinal plants 42 herbivores 42 conifers 42 palm oil 42 genetic diversity 42 equatorial 42 permafrost 42 Borneo 42 rangelands 42 greenhouse gases 41 uplands 41 marine organisms 41 grasses 41 Antarctic ice 41 soil erosion 41 Greenland ice 41 greenhouse gasses 41 marine ecosystem 41 ecologically 41 Amazon jungle 41 UNFCCC 41 seagrass 41 wildlands 41 UNEP 41 afforestation