The largest mammals in the world absorb enough carbon dioxide from the atmosphere.

Whales are undoubtedly among the largest living creatures on Earth. Their bodies are considered giant carbon stores. Because of their sheer size, specific ecosystems form around whales in the oceans.

When whales die, they sink to the ocean floor; the carbon that has been accumulated and stored in their massive bodies is transferred from the upper layers of the ocean to the deep sea, where it remains for centuries or longer...