How does bird poop potentially help to keep our climate just a wee bit cooler? In this episode of Gross Science, Anna Rothschild helps connect tens of millions of seabirds in the Arctic to 40,000 metric tons of ammonia to the difference between dark clouds and light clouds to the planet’s climate story.

File under Gross Science, clouds, and poop, three of our favorite topics.

Speaking of poop, watch these: Sea cucumbers are underwater vacuum cleaners, Much A-Doo About Poo, the GPS-navigated rolling of the dung beetle, and explore wastewater treatment with LeVar Burton & Reading Rainbow.

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