Niall McCann talks to Faith Doherty, one of the world's most fearless environmental activists. Over the years she has campaigned against nuclear weapons, the theft of natural resources and more recently against deforestation in south-east Asia
Niall McCann talks to elephant biologist Joyce Poole about her career studying elephant communication and a lifetime of research in east Africa
Niall McCann talks to Phillip Lymbery, Global Chief Executive of Compassion in World Farming, the organisation which aims to end all factory farming processes.
Niall McCann talks to film-maker Tom Mustill about his passion to preserve the planet and his work with teenage environmentalist Greta Thunberg
14 October 2021
