Carbon counter

What effect are you having on the environment? If you buy Kenyan green beans what is the CO2 cost? What about your journey to work, your fridge or your clothes? "The Gem Carbon Counter" is your portable instant green reckoner.

It contains an introduction by Mark Lynas, author of "Hide Tide: News from a Warming World".

Measure Your own Carbon Footprint covering all aspects of your life from your food shopping to your work, holidays and clothes.

Starting with your home gas and electricity supplies and usage, the handy green reckoner takes you through each part of your life and helps you add up the impact you are making on the environment.

So, in turn, it allows you to identify the key parts of your life which you'll need to adapt to reduce your carbon footprint: from which coffee you drink to how often you go on holiday.

Sustainability: how do you measure up to the averages around the world?

What can you do to improve and how can you reduce your footprint?

What sort of target can you set yourself? Who can help? It also contains hints, tips and advice on who to ask, where to go and what to do.