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Earth Day 2025 EM2 A

Dear Friend, As you know, for over 45 years, I had the extraordinary privilege of working with Koko — who learned to communicate […]

Earth Day 2025 EM2 D

Dear Friend, For over 45 years, I had the extraordinary privilege of working with Koko — who learned to communicate with us through […]

Earth Day 2025 EM2 S

Dear Friend, For over 45 years, I had the extraordinary privilege of working with Koko — a gorilla who learned to communicate with […]

Earth Day 2025 EM1 A

Dear Friend, Thanks to your ongoing monthly support, I’m excited to share this Earth Day update — and show you the real progress […]

Earth Day 2025 EM1 D

Dear Friend, First, let me express my heartfelt thanks for your past support of Koko, The Gorilla Foundation, and our mission of Conservation […]

KVN: Koko’s Gorilla Family

Dear Friend, In the above video, we see Koko and her companions, Michael and Ndume, enjoy time outside in the spring of 1992. […]

Earth Day 2025 EM1 S

Dear Friend, First, thank you. Your interest in Koko and our mission of Conservation through Communication means the world to me! For over […]

Earth Day 2025 Email 1 v5

Dear [Friend], For over 45 years, I had the extraordinary privilege of working with Koko — a western lowland gorilla who learned to […]

Earth Day 2025 Email 1 v4

Dear [Friend], For over 45 years, I had the extraordinary privilege of working with Koko — a western lowland gorilla who learned to […]

Earth Day 2025 Email 1 v3

Dear [Friend], For over 45 years, I had the extraordinary privilege of working with Koko — a western lowland gorilla who learned to […]

Earth Day 2025 Email 1 v2

Dear [Friend], For over 45 years, I had the extraordinary privilege of working with Koko — a western lowland gorilla who learned to […]

Earth Day 2025 Email 1 v1

Dear [First Name], For over four decades, I had the incredible privilege of working side by side with Koko, the remarkable gorilla who […]

KVN: Koko and Mike Wagon

Dear Friend, As young gorillas living at Stanford, Koko and Michael were given many activities to choose from, and one of their favorites […]

KVN: Earth Day 2025

Dear Friend, For over four decades, I had the incredible privilege of working side by side with Koko, the remarkable gorilla who learned […]

KVN: Koko’s Early Signs

Dear Friend, People often ask me what were the first signs I taught Koko.They were “Eat”, “Drink” and “More.” Why? Because these seemed […]

KVN: Koko’s Exploratory Play

Dear Friend, From an early age, Koko used play as a way to explore, learn, and connect. In the above footage, she engages […]

Learn how Koko's life teaches us how to conserve nature.