Watch this talk by Andy Cummins, a campaigner for Surfers Against Sewage, one of my favorite surfer environmentalist groups. Andy's presentation touches on some great subjects, including our poo in the surf, industrial pollution and climate change:
This is part of the Do Lectures, which aim to inspire you to get out there and do something. This series of lectures has many great speakers - everyone from bread bakers to violinists. But why are they all men?