European settlers increased air pollution in North America through activities such as burning fossil fuels, deforestation, tobacco consumption, and establishing factories. Each of these actions released harmful pollutants into the atmosphere. The sum of these efforts significantly degraded air quality and environmental health. ;
European settlers increased air pollution levels primarily by burning fossil fuels, clearing forests, consuming tobacco, and establishing factories. These practices introduced harmful pollutants into the atmosphere and contributed to deteriorating air quality. Collectively, these activities influenced the environment negatively and have had lasting effects on public health.
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