#Air pollution
For years, air pollution has plagued Egypt, particularly in its bustling cities like Cairo. The sky above the capital often appears thick and gray, a smog-like haze formed by the blend of carbon monoxide emissions from vehicles and particulate matter (PM). Air pollution remains the greatest threat to environmental health worldwide. The World Health Organization (WHO) reported in 2021 that poor air quality contributes to 93 billion days of living with illness and over 6.5 million deaths annually. In 2019,…