“Birds are, especially canaries, are super sensitive to hydrogen sulfide and sour gas.”

Canadian academic, science broadcaster, and environmental activist

David Suzuki is a Canadian academic, science broadcaster, and environmental activist. He is known for his work on nature and the environment, and for presenting science to a broad audience. Suzuki earned a PhD in zoology from the University of Chicago in 1961 and taught in the genetics department at the University of British Columbia from 1963 until his retirement in 2001. Since the mid-1970s, he has been recognized for television and radio series, documentaries, and books on nature and environmental issues, and he hosted and narrated CBC Television's The Nature of Things until 2023.