In the United States, national ambient air quality standards have led to efforts to reduce human emissions that cause pollution.
"This does not deal with the problem at source, " says Prof Kelly, an expert on the impact of atmospheric pollution on human health.
That is because cars produce local air pollution, which damages human health and the environment, and also produce greenhouse gases, which contribute to global warming.
The Environmental Protection Agency consistently ranks hazardous-waste sites as less harmful to human health than radon, outdoor particulate pollution or working exposure to pesticides.
Occidental Petroleum, for example, is involved in a major human rights and environmental contamination lawsuit regarding the pollution of indigenous land and the Amazon River.
In a sign of the growing severity of the problem, the new regulations published on Saturday describe "emergency measures" for days when pollution becomes a "danger to human health", including mandatory factory closures and restrictions on vehicles.
Human ingenuity allows some people to make use of pollution.
Neal pleaded guilty personally to breaches of environmental rules and also pleaded guilty on behalf of his two companies to depositing waste likely to cause pollution to the environment or harm to human health.
BBC: Gwent Levels waste dumping: David John Neal pleads guilty
The story beginning overleaf assesses the implications for marine biodiversity of transgressing planetary boundaries, due to human-induced changes to the climate system, pollution and ocean acidification, as well as more direct threats like invasive species, overfishing and habitat destruction.
But human fecklessness is also to blame, including wastage, urban, industrial and agricultural pollution, absence of purifying systems and frequently poor democratic and financial management of the sector.
Human activity, however, especially in the form of agriculture, deforestation, hunting and pollution, has inexorably reduced the numbers of these species, leaving many of them teetering on the brink of extinction.
The pollution produced by burning petrol in cars imposes a cost on the environment and on human health, yet its price hardly reflects this fact: petrol remains cheaper than water in America.
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