David Attenborough is a British broadcaster and naturalist famous for his nature documentaries. Through shows like Planet Earth, he has helped people around the world connect with wildlife and understand the importance of protecting the planet.

Jane Goodall is a British scientist famous for her pioneering studies of chimpanzees in Tanzania. Her work changed the way we understand animal behavior, and she’s become a passionate advocate for conservation and protecting the environment.

Bob Brown is an Australian environmentalist known for his fight to protect Tasmania’s wilderness. He founded the Bob Brown Foundation, where he continues to champion climate action, biodiversity, and the preservation of Australia’s natural landscapes.

David Suzuki is a Canadian scientist and environmentalist known for his work on climate change and sustainability. Through the David Suzuki Foundation, he advocates for conservation, clean energy, and Indigenous rights.

Tim Flannery is an Australian scientist and author, known for his work on climate change and environmental conservation. He continues to raise awareness about global warming through his writing and as a key figure in climate policy discussions.

Greta Thunberg is a Swedish climate activist who started the Fridays for Future movement. She’s known for urging world leaders to take immediate action on climate change and has inspired millions of young people to join the fight for the planet.