New research shows that penguin guano in Antarctica is an important source of ammonia aerosol particles that help drive the formation and persistence of low clouds, which cool the climate by reflecting some incoming sunlight back to space.

Penguin poop may be playing a key role in keeping climate change in check over Antarctica, new research published May 22 finds.

Penguins could be playing a crucial role in stabilizing the climate in Antarctica when they go No. 2, according to new research.