How green is your household? You can find out by going to http://www.greenscore.org.uk/ and completing their online GreenScore questionnaire and see what results you achieve. Then see their tips to help you improve your score.
My green score was 45% - not very good in my opinion
My Energy Score was 19% - Tips can be seen here
My Water Score was 55% - Tips can be seen here
My Rubbish & Shopping Score was 22% - Tips can be seen here
My Transport Score was 41% - Tips can be seen here
I was particularly surprised by this last score given the number of cars and motorbikes in our household and the fact that we take a long haul flight at least once a year.
You can also measure your carbon dioxide emissions here