环保活动，你我参与（英文版）

Posted 2023-04-17

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环保活动，你我参与（英文版）

Environmental protection activities， you， I and Full Participation！

Riding a bicycle ， can bring benefits to many people， as long as one third of the people around the world， can ride a bicycle， air pollution can be reduce by half! Just because the people around the world are not aware of damage， air pollution has brought us I decided I must inform my classmates。 Although I have not completed 12 years old， but I can start from now and learn to ride a bike! So when 12 years old， I can safely go to school， after school， go to school classes! And don"t bother my mom and Dad， also i can be independent， and can reduce the air pollution! Theres a lot of Air pollution around us， please look at the following scientific display。

This century， since the 1950s， due to the large-scale socialized production and human accelerated pace of life， the car has been a lot in use。 The car also brings convenience to people"s lives and serious environmental pollution， which causes a huge threat to human health。 There are about 500 million cars in the world， the annual discharge of four hundred million tons of carbon monoxide， 8000 tons of HCs and fifty million tons of nitric oxide。 Air pollution， according to statistics the U。S。， about 60% of the means of transport caused in Japan， about 85% is caused by the car， our situation is not optimistic。 Vehicle emissions have become the world"s urban pollution culprit。

Automobile exhaust in the process of initiating and driving the main pollutants carbon monoxide， hydrocarbons， nitrogen oxides and particulate matter。 Automotive exhaust gas composition and the emissions related to the type of engine and fuel， in general， the concentration of carbon monoxide and hydrocarbons in the exhaust gas of diesel engines are much lower than the gasoline engine， the concentration of the nitrogen-oxygen compound is almost equal， however， diesel engines emit large smoky odor offensive。 Hydrocarbons and nitrogen-oxygen compound in the photochemical reaction occurs in the strong ultraviolet radiation， to generate a photochemical smog

There is not enough information on vehicle emissions in a variety of harmful ingredients combined effects of humans and other mammals， the health hazards， and more with the toxic effects of the individual components to evaluate the harm。 Carbon monoxide mainly by hemoglobin binding so that the loss of oxygen functionality， and in severe cases can cause death。 Nitrogen oxides inhalation stimulate the respiratory mucosa， causing pneumonia。 HCs some polycyclic aromatic hydrocarbons in addition to have a carcinogenic effect， they can still irritate the skin， mucous membranes， especially the formation of photochemical smog and nitrogen oxides， irritating more severe cases can be life-threatening。 In addition， vehicle emissions contain lead， can lead to chronic lead poisoning。

To prevent pollution through the following means: reform fuels， promotion of unleaded gasoline， as well as the search for oil substitutes; improved automobile engine structure， the fullest possible fuel combustion， and multi-cycling advocate a little more， take a bus， subway， etc。 etc。， reduce vehicle travel。 Should strengthen the monitoring of urban street environment。

After a few years， now the government has finally set the car restrictions。 The government has imposed a limit， it does not let the people go all out to buy a car， desperately let the car discharge gas which are harmful to our body I believe， this is a good start， the government will have to take more measures， to reduce these emissions! Let us remember: bicycle， bus， subway， walking can reduce exhaust!