Related by context. Frequent words. (Click for all words.) 64 rainforests 64 rainforest 62 Amazon rainforest 57 tropical rainforests 55 tropical forests 54 forests 54 tropical forest 53 biodiversity 53 tropical rainforest 52 deforestation 51 ecosystems 50 biofuel crops 50 habitats 49 mangrove forests 49 coral reefs 48 Deforestation 48 coastal ecosystems 48 oceans 47 grasslands 47 Amazon jungle 47 forest 47 savanna 46 boreal forest 46 forest ecosystems 46 Droughts 46 peatland 46 species 46 habitat 46 vegetation 45 semi arid 45 Amazon basin 45 tropics 45 Amazonia 45 Amazonian 45 climate change 45 bio diversity 45 Global warming 45 fragile ecosystems 45 coastal wetlands 45 Mangroves 45 overgrazing 44 fauna 44 savannah 44 Invasive species 44 wetlands 44 marine ecosystems 44 ocean ecosystems 44 fragile ecosystem 44 peat bogs 44 mangroves 44 savannas 43 aquatic ecosystems 43 glaciers 43 forest canopy 43 Coral reefs 43 wildlife habitats 43 ecologists 43 ecology 43 biosphere 43 ecological 43 hardwood trees 42 carbon sinks 42 global warming 42 deforested 42 Overfishing 42 environmental degradation 42 Himalayan glaciers 42 coral reef 42 pine forests 42 boreal 42 wildlife 42 molluscs 42 peatlands 42 coral species 42 lichens 42 arid regions 42 woodlands 42 Rainforest 42 flora 41 plantations 41 conservationists 41 coffee plantations 41 Galapagos Islands 41 soya 41 grassland 41 David Attenborough 41 mangrove swamps 41 indigenous peoples 41 reefs 41 overexploitation 40 GMO crops 40 arable land 40 pollinators 40 Antarctica 40 mangrove forest 40 palm oil 40 melting glaciers 40 crop yields 40 indigenous tribes 40 Ecologists 40 genetically modified crops