Related by context. Frequent words. (Click for all words.) 53 nonrenewable resources 50 ecologies 49 minerals 48 wetland ecosystems 47 hydrologic cycle 47 overexploitation 46 ecosystems 46 arable lands 46 mineral extraction 46 Fossil fuels 46 groundwater aquifers 46 resouces 46 despoliation 45 ecological degradation 45 mineral resources 45 finite resource 45 negative externalities 45 freshwater ecosystems 45 indigenous cultures 44 rentier 44 conserving biodiversity 44 elasticities 44 overgrazing 44 extractive 44 freshwaters 44 rapidly industrializing 43 resources 43 fuelwood 43 zooxanthellae 43 salination 43 riparian zones 43 transnational corporations 43 monopsony 43 aquifers 43 habitat fragmentation 43 primitive accumulation 43 marketization 43 nonhuman animals 43 admiral asks 43 agro ecological 43 petroleum 43 hydrological cycle 43 fertile soils 43 conserve biodiversity 43 finite 43 marine ecosystems 43 implicitly assumes 43 rapid industrialization 42 coercively 42 seagrasses 42 forests grasslands 42 landownership 42 overfishing pollution 42 biofuel feedstocks 42 deplete oxygen 42 terrestrial ecosystems 42 aquatic ecosystems 42 ecological 42 subsistence agriculture 42 fertilizers pesticides 42 oil 42 freshwater 42 macroeconomic variables 42 ecologic 42 ecosphere 42 Phytoplankton 42 biosphere 42 autarky 42 scarcities 42 greenhouse gases GHGs 41 earths 41 vast quantities 41 ocean ecosystems 41 soil salinity 41 fragile ecology 41 navigable rivers 41 monocultures 41 biota 41 forbs 41 depletion 41 Depleting 41 potent greenhouse gas 41 livestock rearing 41 environmental degradation 41 aquifer recharge 41 distributive justice 41 vast amounts 41 drylands 41 fossil fuels 41 compare FindStuff comprehensive 41 seabeds 41 underground aquifers 41 arable land 41 crop residues 41 externalities 40 planktonic 40 absorptive capacity 40 carbon sinks 40 hydrocarbon 40 AP Interview CG 40 ecological niches