BBC: A “Green Enterprise District” spreading six east London boroughs is to be created to help the city be a “global leader in the low carbon economy”. London Mayor Boris Johnson has said the scheme will create 6,000 jobs and help regenerate one of the most deprived areas of the capital. The project hopes to use undeveloped industrial land to attract up to £140bn of investment. A £30m exhibition centre will also be built by technology firm Siemens. The Siemens Pavilion …