"The film, television and commercial industries are estimated to directly contribute an income of £13.6 billion to London’s economy. However, influence goes far beyond this, as they arguably have an unparalleled opportunity to influence the general public. This guide contains really practical information on how to reduce energy use, reducing emissions and saving you money in the process.""The film, television and commercial industries are estimated to directly contribute an income of £13.6 billion to London’s economy. However, influence goes far beyond this, as they arguably have an unparalleled opportunity to influence the general public. This guide contains really practical information on how to reduce energy use, reducing emissions and saving you money in the process."