Feb. 3, 2025 — Long-term exposure to PM2.5, PM10, NO2 and ozone (O3) air pollution is associated with more hospital admissions for lower respiratory tract ... Jan. 7, 2025 — If you like the ...

Senior writer John Oehser answers your questions.

Mar. 20, 2025 — Scientists will warn policymakers that the shrinking glaciers of the Andes threaten the water supply of 90 million people on the South American ...

Researchers from the Universities of Granada (Spain) and Southern Denmark reveal a new abiotic process driven by sunlight ...