MADELINE REYESFacebookTwitterEmail

Atmosphere-cooling aerosols were much more prevalent years ago than previously thought, protecting the planet’s surface from harmful greenhouse gas effects.

(CN) — A recent discovery of soot and smoke particles within the ice cores from Antarctica has yielded new clues about what the atmosphere of the preindustrial Southern Hemisphere was like, which could have important implications for our future.

In a new study published Friday in the journalScience Advances, first author Pengfei Liu, a former graduate student and postdoctoral fellow at theHarvard John A. Paulson School of Engineering and Applied Sciences(SEAS), and her team of researchers and co-authors suggest the climate of the Southern Hemisphere in…