I thought my project was ambitious enough – 2 months in the Scottish highlands in the bleak winter, documenting renewable energy, day and night, come wind, snow and horizontal rain. Seems not. David de Rothschild (English banking heir) has certainly trumped me. He’s designed an eco friendly catamaran made from thousands of recycled bottles, held together with cashew nut glue powered by solar panels and windmills! The journey: San Francisco to Sydney. He hasn’t yet left and the cynic in me says he wont but the optimist wishes him all the luck in the world. If only we all had a small family fortune to play environmental daredevil with! Read more here.