Silent Earth - Averting the Insect Apocalypse

In this episode of This Green Earth Chris and Nell's guest is Dave Goulson. Goulson is a Professor of Biology at University of Sussex who has published more than 300 scientific articles on the ecology and conservation of bumblebees and other insects. He has just released a new book called "Silent Earth - Averting the Insect Apocalypse." Goulson will share more on the dramatic decline of insect species and how this can directly impact all life on Earth.