| environ. |
pollution effect The main pollution effects concern human health and cover all aspects of the physical environment - air, water and land, including the effects of climate change. Human activities which are sources of pollution arise from domestic, commercial, industrial and military sectors and their effects are influenced by various issues, trends and public sector programmes, such as safe water and food, management of waste, increasing use of chemicals in agriculture, and urbanization. Types of pollutants which are negatively impacting health include litter, toxic chemicals, nuclear waste, lead, spoil from mining, food and water contaminants; and the polluting effects of over-population (污染影响人类健康和各方面的物理环境——包括空气、水和陆地，还包括气候变化所带来的影响。人类活动所产生的污染主要来自商业、工业、军事部门，污染的后果会造成多方面的问题。公共管理部门的污染治理项目，如安全的水和食物，管理如何在农业和城市化过程中使用化学品。污染物负面影响身体健康。有毒的化学物质包括核废料、铅、掠夺采矿、食物和水污染等，影响众多的人口。) |
