Dr Mark Avery, the RSPB's Director of Conservation talks about why Biofuels (once seen as a green alternative to oil) are destroying vital habitats around the world. And, in what's turning out to be another poor breeding season for many seabirds, we visit some the most exciting coastal reserves in the UK. We hear about the rise and rise of the gannet but the decline of puffin populations and why wildlife presenter Kate Humble so passionately supports the introduction of legislation to protect marine wildlife.