Energy-saving light bulbs, recyclable shopping bags, reusable batteries. We are being urged on a daily basis to be more environmentally friendly around the home. But how easy is it to go green? Julia Hailes has been writing about environmental issues for more than twenty years and is the author of the New Green Consumer Guide. In the first of a new series on Green Homes, Louise Adamson went to visit Julia in her Somerset home, to find out more about simple ways of conserving water.