https://www.thepetitionsite.com/419/384/634/quotclean-air-for-all-demand-stricter-pollution-controlsquot/
Air pollution from factories, vehicles, and deforestation causes serious health issues, including respiratory diseases and heart problems. Harmful pollutants
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https://www.sciencedaily.com/releases/2014/06/140623091834.htm
National and state air pollution controls that went into effect in the early 1990s coincide with decreasing death rates from emphysema, asthma and pneumonia...
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