Editor's Pick

A new study suggests that activating an enzyme known as ALDH1A1 could help protect the lungs from air pollution, particularly in vulnerable groups such as pregnant women, children and those with asthma or COPD.

New research has led to the development of a global database of annual, population-weighted concentrations for PM2.5, NO₂ and ozone (O3), as well as fossil fuel CO₂ (FFCO2) emissions across 13,189 urban areas.