London Boroughs on the Thames are affected by pollution from vessels using diesel which is 100x dirtier than car diesel. Vessels range from the very small to massive cruise liners which can be moored for up to three days. The polluting smoke from these is full of NO2 and very bad for our lungs. There is very little regulation. It would be great to use the Thames more for travel and freight, but it needs cleaning up first. Can The Mayor of London do that?