word | | Environment - current issues |
| toxic | Zimbabwe | ... the black rhinoceros herd - once the largest concentration of the species in the world - has been significantly reduced by poaching; poor mining practices have led to toxic waste and heavy metal pollution |
| trade | Brazil | ... multitude of plant and animal species indigenous to the area; there is a lucrative illegal wildlife trade; air and water pollution in Rio de Janeiro, Sao Paulo, and several other large cities ... |
| trade | China | ... shortages, particularly in the north; water pollution from untreated wastes; deforestation; estimated loss of one-fifth of agricultural land since 1949 to soil erosion and economic development; desertification; trade in endangered species |
| trade | Taiwan | air pollution; water pollution from industrial emissions, raw sewage; contamination of drinking water supplies; trade in endangered species; low-level radioactive waste disposal |
| trade | Tanzania | soil degradation; deforestation; desertification; destruction of coral reefs threatens marine habitats; recent droughts affected marginal agriculture; wildlife threatened by illegal hunting and trade, especially for ivory |
| traditional | Greenland | protection of the arctic environment; preservation of the Inuit traditional way of life, including whaling and seal hunting |
| traditional | Kiribati | heavy pollution in lagoon of south Tarawa atoll due to heavy migration mixed with traditional practices such as lagoon latrines and open-pit dumping; ground water at risk |
| traditional | Niue | increasing attention to conservationist practices to counter loss of soil fertility from traditional slash and burn agriculture |
| traffic | Lebanon | deforestation; soil erosion; desertification; air pollution in Beirut from vehicular traffic and the burning of industrial wastes; pollution of coastal waters from raw sewage and oil spills |
| traffic | Turkey | water pollution from dumping of chemicals and detergents; air pollution, particularly in urban areas; deforestation; concern for oil spills from increasing Bosporus ship traffic |
| transboundary | Isle of Man | waste disposal (both household and industrial); transboundary air pollution |
| transiting | Austria | ... results from the use of agricultural chemicals; air pollution results from emissions by coal- and oil-fired power stations and industrial plants and from trucks transiting Austria between northern and southern Europe |
| transportation | Belgium | the environment is exposed to intense pressures from human activities: urbanization, dense transportation network, industry, extensive animal breeding and crop cultivation; air and water pollution also have repercussions for neighboring countries; uncertainties ... |
| transportation | Russia | air pollution from heavy industry, emissions of coal-fired electric plants, and transportation in major cities; industrial, municipal, and agricultural pollution of inland waterways and seacoasts; deforestation; soil erosion; soil contamination from ... |
| trapping | Dhekelia | netting and trapping of small migrant songbirds in the spring and autumn |
| treatment | Andorra | deforestation; overgrazing of mountain meadows contributes to soil erosion; air pollution; wastewater treatment and solid waste disposal |
| treatment | Burma | deforestation; industrial pollution of air, soil, and water; inadequate sanitation and water treatment contribute to disease |
| treatment | Gaza Strip | desertification; salination of fresh water; sewage treatment; water-borne disease; soil degradation; depletion and contamination of underground water resources |
| treatment | Iceland | water pollution from fertilizer runoff; inadequate wastewater treatment |
| treatment | Italy | air pollution from industrial emissions such as sulfur dioxide; coastal and inland rivers polluted from industrial and agricultural effluents; acid rain damaging lakes; inadequate industrial waste treatment and disposal facilities |
| treatment | West Bank | adequacy of fresh water supply; sewage treatment |
| treatment | Zambia | ... mineral extraction and refining region; chemical runoff into watersheds; poaching seriously threatens rhinoceros, elephant, antelope, and large cat populations; deforestation; soil erosion; desertification; lack of adequate water treatment presents human health risks |
| tree | Guam | extirpation of native bird population by the rapid proliferation of the brown tree snake, an exotic, invasive species |