Air pollution includes invisible particles and gases that damage health. Understand the major pollutants, their sources, risks and how cleaner air can be achieved.
Air pollution comes from transport, power, industry, homes, agriculture, waste, dust and fires. Learn which sources create which pollutants and why their impact varies.
PM2.5 and PM10 are tiny airborne particles linked to serious health effects. Learn their differences, sources, guideline levels and how to reduce exposure.
The world did not merely experience a pandemic. It experienced a failure of global preparedness. COVID-19 exposed how fragile health systems were (who)
WHO says the Ebola outbreak in the Democratic Republic of the Congo is spreading faster than the response amid a health-worker strike.
WHO reform explained through pandemics: why it matters for India, the evidence, global stakes and risks to watch next for serious readers in a changing world.
