Today is world food day and we are being advised to eat less as a contribution to save the planet. If you were stopped in the street and asked if you would like to save the planet hopefully your answer would be yes. It all seems a gigantic task and all doom and gloom and its easy to feel we are on an unstoppable path so 'Why bother?' I have no idea or the scientific knowledge to know if changing our eating habits will contribute greatly to helping save the planet but I do be