We chat to Sarah Roberts about the controversies surrounding shark tourism, the challenges of being a grizzly bear guide, her first-hand experience of the devastating effects of plastic pollution and her recent expedition to Iceland where Sarah explored technology that brings hope to the fight against climate change. Sarah is a naturalist, eco-journalist and author. Sarah travels the world documenting hard hitting environmental topics, and is famed for her big predator expeditions, such as diving with sharks and alligators!