Air Pollution Apr 2026

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

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. Air pollution kills millions every year — where

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 and vehicles release sulfur dioxide

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