Through on-the-spot investigation, literature review and interviews with experts, the film vividly explains the composition and harm of smog, and tells the audience what to do to control smog through Chai Jing's works.
In the film, Chai Jing visited several polluted places to find the source of smog, went to many countries to learn the experience of pollution control, and put forward action plans from the national and personal levels.
Through field research
In Hebei, a major province of coal consumption and steel production, due to the serious smog, drones cannot record pollution; In the smog, the sampler turns from white to black one day, and 15 carcinogen is detected from it, and the content of the most dangerous substance exceeds the national standard 14 times. During the daily rush hour in Beijing, 34% of the cars are blocked on the road, and the PM2.5-hour emission within the Sixth Ring Road is 1 ton.
Sixty-two years after the London smog that killed thousands of people because of coal pollution, people who were killed by the smog visited people who were still burning fireplaces. At that time, London's regulations such as "no black smoke" and "anthracite can only be burned in smoke-restricted areas, and most of the cost of fireplace renovation is subsidized by finance" are all reflected in the clean coal in the hands of the male host-coal can be clean; Investigating the photochemical pollution in Los Angeles, where automobile exhaust pollution is serious, overlooking the pie-spreading road mode from a helicopter and the high dependence of Los Angeles on cars, officials of the California Air Resources Management Committee issued a ticket to drivers who did not install air particulate filters on heavy-duty diesel vehicles.
By consulting the literature
Some people say that the management of fog and haze in London has achieved results in the past forty or fifty years. In fact, in the first decade of control, air pollutants were reduced by 80%. The PM2.5 emitted by a sea-going ship is almost equal to 500,000 trucks, and the fuel of ships and planes has not been strictly regulated as that of automobile oil.
By visiting various experts
Query Cao Xianghong, former chief engineer of China Petrochemical Group and director of China National Petroleum Standards Committee: "Why is the petrochemical industry leading the formulation of petroleum standards, not the environmental protection department? Why not disclose the cost of upgrading the oil standard? Is it possible to liberalize the oil market? " Through images, a report published by Zhu Chen, an academician of China Academy of Sciences and former Minister of Health, in cooperation with experts from The Lancet magazine estimated that 350,000 to 500,000 people died prematurely every year in China due to outdoor air pollution.
After exploring the truth, take action to do your part: try to negotiate with the builders to cover the dusty mounds; Call the report number 12369, and let the restaurant downstairs install an oil fume treatment device; Report to the environmental protection department and ask the gas station to promise to repair the anti-volatilization device of the refueling gun.