Planes, trains, buses, cars – we all use them at one time or another. We value the independence and freedom they give us to go where we need to and want to, at a time and speed that's convenient to us. But each of these methods of getting about is getting more expensive as the cost of fuel rises and there is also a cost in terms of the carbon dioxide released into the atmosphere. These costs can be reduced if we make informed choices about which transport we use for which journey. We can alter our personal carbon footprint significantly. Use the menu on the left to find out more.