Air Pollution (TESTED · Secrets)

Nearly 2.1 billion people rely on polluting fuels (like wood, coal, or kerosene) for cooking and heating, leading to dangerous indoor air quality.

Pollutants enter our atmosphere from both human activities and natural events: air pollution

Power plants, factories, and vehicles release sulfur dioxide, nitrogen oxides, and carbon dioxide. Nearly 2

The Global Crisis of Air Pollution Air pollution is the largest environmental threat to human health globally, contributing to an estimated annually . Currently, 99% of the world's population breathes air that exceeds the World Health Organization's safety guidelines. Major Sources of Pollution Currently, 99% of the world's population breathes air

Air pollution kills millions every year — where does it come from?

Large-scale farming releases methane and ammonia, while mining and waste incineration release toxic chemicals like mercury and lead.

Wildfires, volcanic eruptions, and even windblown dust contribute significant amounts of particulate matter. Health and Environmental Impacts