Dave Goulson, an entomologist and author renowned for his work on bumblebee conservation, discusses the alarming decline of insect populations. He shares insights on their essential roles in pollination and waste management, stressing the critical need for conservation efforts. Goulson advocates for wildlife-friendly gardening practices that can support these vital creatures. He also explores the dramatic shifts in his career from academic research to passionate advocacy, highlighting the ecological impacts of pesticides and the importance of integrating scientific insight into policy-making.