For some time now I have been having real doubts about my own behaviour over the years.  I've been a petrol head for most of my life, and so involved with motorcycles for both transport and leisure that they are ingrained in my character. Yet as I watch the news of environmental disasters unfold on the telly virtually every evening, I have to wonder how much my own behaviour has contributed to this mess, and what I can do to help our planet. While it is obvious that my own individual environmental sins are an infinitesimally small part of the problem, that is no excuse for claiming that the problem is not mine.  According to the ONS (Office for National Statistics), there are almost 67 million people here in the UK.  As well as heating our homes, which is a major source of our pollution, a huge number of us have vehicles.  According to the RAC (www.racfoundation.org),  " In Great Britain, there were  31.7 million cars  (82.1 per cent), 4.26 milli...