Independent: Do your efforts to live a green life consist of installing a low-energy light bulb on the landing and putting out the odd empty wine bottle for recycling? Then it’s time to take a long, hard look at your home and your lifestyle. The Dobbins family from Durham decided to do just that when they won the eco-audit at this year’s Independent charity auction. The family of three has shared the audit’s findings to help others benefit from what they learnt. An essential first step in …