Navigating Despair and Empowerment in Environmental Action

With the climate heating up and our planetary support systems breaking down, how does an eco-philosopher manage to stay cheerful? This week's guest has been living and breathing these issues for many decades, which you'd think might make it difficult for him to get out of bed in the morning. But get out of bed he did, for a surprisingly upbeat conversation about optimism, pessimism and ecological identity.