Making films with scientists in remote locations is director Douglas Varchol’s speciality. For over a decade he has tramped through forests, forded rivers and waded through swamps to get the images that can make complex science come alive. So he was a natural choice for the CGIAR Research Program on Water Land and Ecosystems team when they needed a film-maker to document their research. He spoke to IWMI’s James Clarke down the line from his base in Bangkok, about the experience and he was asked first whether he found making films about a research programme entitled “Water Land and Ecosystems” daunting…