At the time, typical new cars were emitting nearly 13 grams per mile hydrocarbons (HC), 3.6 grams per mile nitrogen oxides (NOx), and 87grams per mile carbon monoxide (CO). Industry, on the other hand, generally plays a larger role in China, constituting 16–27 per cent of the PM 2.5 pollution versus 9–13 per cent in the US and Western Europe (higher figures were estimated for Central and Eastern Europe (17 per cent) and Japan (34 per cent). Complaints about its effects on human health and the urban environment were first voiced by the inhabitants of ancient Athens and Rome. This resulted in the UK Government introducing its first Clean Air Act in 1956.

But it wasn't until the 1970 Clean Air Act that Congress set the framework for air pollution regulation tied to public health. History of Air Pollution Legislation in the United States Arthur C. Stern, Emeritus Professor The University of North Carolina Chapel Hill, North Carolina History is more than a chronology of the flow of events. Air pollutants are substances that, when present in the atmosphere in sufficient quantities, may adversely affect people, animals, vegetation or inanimate materials. Air pollution does not represent only ''privilege'' of the present, but its history goes back to the period before Christ. Concerns about air pollution have a long and complex history. Abstract. Air pollution occurs when harmful or excessive quantities of substances are introduced into Earth's atmosphere. Complaints about its effects on human health and the urban environment were first voiced by the inhabitants of ancient Athens and Rome. This blog post draws on data and research discussed in our entry on Air Pollution.

Reuse our work freely. Air pollution and cars were first linked in the early 1950’s by a California researcher who determined that pollutants from traffic was to blame for the smoggy skies over Los Angeles. An Introduction to Air Pollution – Definitions, Classifications, and History Aaron Daly and Paolo Zannetti The EnviroComp Institute, Fremont, CA (USA) daly@envirocomp.com and zannetti@envirocomp.com Abstract: Definitions and classifications used in the study of air pollution are introduced. Two years later, national emissions standards for cars were set. What the history of London’s air pollution can tell us about the future of today’s growing megacities. by Hannah Ritchie.

Toxics and GHG emissions are covered elsewhere. Timeline of air pollution in China (image generated by Hannah Fleckenstein) Summary of the Great Leap Forward campaign:. Our World in Data presents the empirical evidence on global development in entries dedicated to specific topics. June 20, 2017 .

Concerns about air pollution have a long and complex history. Stemmed from the need to compete with the industrial output of Great Britain and the United States, capitalist powerhouses (Economy, 2010, p. 50). History of Air Pollution Laws – Part 1 Previous Next The Clean Air Act (CAA) of 1970 (with major amendments in 1977 and 1990) set forth many of the regulations we know today in the air pollution control industry. Recent history depicts the infamous smogs of the 1950s and 60s, which finally precipitated both vociferous public concern and decisive Government action regarding air pollution. It also includes explanation as to why these events occurred; why they occurred at the time, and in the form that they did; and what were their consequences. Concerns about air pollution have a long and complex history. Sources of air pollution include gases (such as ammonia, carbon monoxide, sulfur dioxide, nitrous oxides, methane and chlorofluorocarbons), particulates (both organic and inorganic), and biological molecules. Note: This air pollution timeline deals only with fossil-fuel related air pollution incidents and regulation of standard pollutants like sulfur and nitrogen oxides, fluorine gas, particulate matter, soot, etc.

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