I. Controlling the source to reduce pollution agents: Government should enact laws and regulations on the management of environmental controls, enforcement of environmental protection, management and control of these sources and the effects pollutants, to improve air quality. Replacing equipment - used technical means with equipment - modern technical facilities, closed chain, good handling of waste, gas before discharge into the environment. Air cleaning technology must always be perfect. Switch the engine, fuel furnaces listed coal and petroleum to use solar energy, hydroelectric energy ... The engine, transport needs to improve its use of energy or fire department designs Full fuel, using advanced fuel less harmful substances. Also, to control and manage the emission levels of the engines, vehicles, resolutely forced downtimes for motor vehicles over the use life or emissions exceed specified thresholds. During daily activities (cooking, low light ...) restrict the use of fuels such as coal, wood, oil ... in addition, need to take measures to closely manage forest fire prevention, anti-arson forest, straw burning limit ... and the layout of the factory, production facilities, industrial parks at the end of the monsoon direction, downstream water than residential areas and far from residential areas.
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