Related by context. Frequent words. (Click for all words.) 55 species 54 biodiversity hotspots 54 tropical rainforests 53 Cerrado 53 cycad 53 sequoias 52 virgin forests 52 rainforests 51 rainforest 51 kauri 50 forests 50 sagebrush habitat 50 boreal forests 50 Galapagos islands 50 biodiverse 50 biosphere reserve 49 tropical hardwood 49 tropical forests 49 amphibian populations 49 biodiversity 49 ecologically sensitive areas 49 Illegal logging 48 marbled murrelet 48 Giant Sequoia 48 giant sequoias 48 tropical rainforest 48 Amazon Rainforest 48 indigenous peoples 48 reforested 48 reforesting 47 spotted owl habitat 47 biopiracy 47 freshwater turtles 47 forest 47 timber plantations 47 El Yunque 47 amphibian species 47 orchid species 47 endangered species 47 fynbos 46 eucalypts 46 Galápagos 46 coniferous 46 Amazon basin 46 pine plantations 46 beech trees 46 boreal forest 46 Madre de Dios 46 federally endangered 46 critically endangered 46 whitebark pine 46 Critically Endangered 46 Andean highlands 46 spotted owls 46 elephant herds 46 mangrove forests 46 Protected Areas 45 biologically diverse 45 fauna 45 hardwood trees 45 owl habitat 45 Mapuches 45 Yellowstone ecosystem 45 subspecies 45 illegal loggers 45 mammal 45 hardwood forests 45 deforestation 45 endangered primates 45 penguin species 45 temperate forests 45 forest ecosystems 45 endangered 45 Boreal Forest 45 red cockaded woodpecker 45 Peruvian Amazon 44 Xingu 44 uncontacted tribes 44 vertebrate species 44 mountain caribou 44 coconut plantations 44 plantations 44 mammal species 44 overhunting 44 IBAMA 44 indigenous tribes 44 cultural patrimony 44 megafauna 44 tropical forest 44 tiger habitats 44 Pantanal 44 autochthonous 44 ecosystems 44 Yasuni 44 boreal 44 Amazon rainforest 44 aspen trees 44 Rainforests 44 greater sage grouse 44 Chihuahuan Desert 44 Endangered Species Act