At least four nations — India, Pakistan, Bangladesh, and Indonesia — have experienced massive power blackouts that affected tens or hundreds of millions of people. These events left more than just empty streets and dark homes; they also revealed the pressure points in infrastructure, governance, and daily life.

Air pollution remains one of the world’s most pressing environmental and health threats. The latest IQAir 2024 World Air Quality Report paints a troubling picture, showing that millions of people still breathe air far above safe health limits.

An interesting graphic produced by World Visualized ranks the nations with the worst air quality, measured by average fine‑particulate (PM₂.₅) pollution.