Koko The Gorilla Probably Doesn't Understand Climate Change

Some scientists are more than a little skeptical of a viral video featuring Koko the gorilla giving a "speech" on conservation.

Koko is known for her purported ability to use a modified version of American Sign Language to communicate with humans, and her trainers say she knows more than 1,000 signs . The video, which was released during the COP21 Climate Conference in December, shows Koko signing about the importance of protecting nature.

Two nonprofits -- the Gorilla Foundation, which oversees Koko's care and training, and NOE Conservation, which seeks to safeguard biodiversity -- produced the video. It concludes with a petition urging the COP21 participants to include "preservation of biodiversity" in their agreement. (Check it out below.)

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