Related by context. Frequent words. (Click for all words.) 49 extraction 45 tailing ponds 45 polluted groundwater 45 groundwater extraction 44 PetroEcuador 44 ecological disasters 43 Achuar 43 Ogoniland 43 coalmining 42 toxic wastes 42 environmental degradation 42 Union Carbide factory 42 Alberta tar sands 42 Pluspetrol 42 oil spill 41 Lake Maracaibo 41 Lapindo Brantas 41 oil 41 Suisun Marsh 41 hydro electric dam 41 depleted uranium munitions 41 tar sands 40 Oloibiri 40 Tar Sands 40 contaminating groundwater 40 polluted 40 destruction wreaked 39 Mau forest 39 mining 39 coastal wetlands 39 palm plantations 39 groundwater remediation 39 toxic waste 39 sludges 39 defoliant Agent Orange 39 hydrocarbons 39 Petroecuador 39 Rapu Rapu 39 toxic stew 38 alluvial deposits 38 evaporation ponds 38 tarsands 38 spill 38 indigenous peoples 38 biodiversity hotspot 38 oilsands 38 frac fluid 38 Alberta oilsands 38 tailings ponds 38 toxic sludge 38 biopiracy 38 mine tailings 38 Illegal logging 38 coal slurry 38 exploitation 38 Lake Natron 38 Horizon rig 38 contaminated groundwater 38 overpumping 37 ecological 37 sludge 37 Chevron 37 chemical 37 Chevron Corp CVX.N 37 polluted waterways 37 fragile ecology 37 freshwater ecosystems 37 nonrenewable resources 37 petroleum 37 Plachimada 37 contaminating 37 seabed 37 pollution 37 Exxon Valdez tanker 37 Camisea 37 seagrasses 37 heavily polluted 37 dispersant chemicals 37 polluted rivers 37 hydrocarbon 37 Romic 36 mangrove forests 36 defoliant 36 overfishing pollution 36 rainforest destruction 36 coconut plantations 36 spills 36 dioxin contaminated 36 CO2 sequestration 36 ecologically fragile 36 oil sands 36 overexploitation 36 toxic chemicals 36 spillage 36 extractive 36 palm plantation 36 mineral 36 Chevron Corp. 36 geosequestration 36 Toxic chemicals 36 reinjection