Several major British food manufacturers joined forces on Monday with a pledge to help the environment by saving water, and with it money. The pledge by 21 firms including Cadbury Schweppes, Tate & Lyle and Nestle UK is part of a wider initiative under the auspices of the Food and Drink Federation (FDF) to cut carbon dioxide emissions and packaging and improve energy efficiency. [also refers to other signatories Walkers (part of PepsiCo), Mars Snackfood]