环境问题的全球化及其应对（Globalization of environmental problems and Its Countermeasures）.docVIP

环境问题的全球化及其应对（Globalization of environmental problems and Its Countermeasures） I. environmental problems and their historical development 1., the concept of environmental issues Environmental problems are natural phenomena or human activities that make environmental conditions or factors not conducive to human changes, so as to affect human production and life, and bring disaster to mankind. Environmental problems: first, environmental problems, second environmental problems Second environmental problems: environmental pollution and ecological destruction Environmental pollution According to environmental factors can be divided into air pollution, water pollution, soil pollution and so on According to the nature of pollutants can be divided into biological pollution, chemical pollution and physical pollution According to the form of pollutants, it can be divided into waste gas pollution, wastewater pollution, solid waste pollution, noise pollution, radiation pollution and so on. Ecological damage The decline of forest coverage, grassland degradation, soil erosion, soil impoverishment, desertification, water depletion, climate anomalies, species extinction and so on. 2., the development stage of environmental problems (1) early destruction of ecological environment - early human society Mankind has experienced the nomadic life of hunting and hunting, and the change of sedentary life for farming and farming Overall, the impact of human activity at this stage on the environment is partial and does not reach the level of the biosphere as a whole (2) modern urban environmental problems - Industrial Revolution to 1980s A large scale of environmental pollution has occurred, and serious environmental pollution in some areas has led to the emergence of public nuisance diseases and major public nuisance incidents. The destruction of the natural environment caused the scarcity of resources and even exhaustion, and began to appear the phenomenon of regional ecological imbalance.