Grist reports that penguin guano in Antarctica may help cool the region by forming clouds through ammonia release, but climate change threatens these populations.

SOMMER: That's Matthew Boyer, an atmospheric scientist at the University of Helsinki, who was there studying them. It smells because a lot of penguins means a lot of poop.

In December 2022, Matthew Boyer hopped on an Argentine military plane to one of the more remote habitations on Earth: Marambio Station at the tip of the Antarctic Peninsula, where the icy ...