Clouds need two essential ingredients to form, and both must be present simultaneously for the process to begin. There are two ingredients needed for clouds to form: water and nuclei. The first ...

Atmospheric aerosol particles are essential for the formation of clouds and precipitation, thereby influencing the Earth’s energy budget, water cycle and climate. However, the origin of aerosol ...

If you liked this story, share it with other people. Rainfall is often treated as a gift of geography — a function of latitude, oceans, and atmospheric circulation. A growing body of research suggests ...

Black acid rain formed after oil depot fires in Tehran may expose millions to acidic aerosols, soot, and toxic pollutants ...