Working with farmers, PepsiCo intends to radically reduce water use and carbon emissions by 2015, says David Wilkinson. An economically and environmentally sustainable UK farming industry is vital to a prosperous future for the food industry and increasingly important to consumers. Farmers understand the land they work better than anyone and, by regularly visiting their farms and listening to what they tell us, we are able to gain insights that allow us to work in partnership and improve both sustainability and business practices…