The convergence of environmental disruption.
D000397:Air Pollution; D004463:Ecology; D004467:Economics; D004782:Environmental Health; D005579:Fossil Fuels; D006294:Health Resorts; D007220:Industrial Waste; D010209:Paper; D011158:Population Growth; D012950:Socialism; D014586:USSR; D014481:United States; D014876:Water Pollution
D005579:Fossil Fuels; D007220:Industrial Waste