Health

What is the health impact of wildfire smoke?

California, home of the freeway and the car-based lifestyle, has long struggled with air pollution—and been a pioneer in cleaning up the air, for example in vehicle emission standards. But in recent years, a new threat ...

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Air pollution

Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment, into the atmosphere.

The atmosphere is a complex, dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems.

This text uses material from Wikipedia, licensed under CC BY-SA