By definition, using the available technology leads to a reduction in carbon emissions. It might shock the House to know that I have it in my office. I use that technology from time to time, but there are times when face-to-face meetings are needed, which means travel. Indeed, I understand that the Leader of the Opposition has travelled to Europe to discuss climate change and other matters. In reality, although a lot of fuss is made about this, air travel is necessary in the global world.