Green Building: Boris Johnson, Mayor of London has outlined his vision for creating a ‘green’ economy in the capital. He plans to make London more energy efficient, help cash-strapped households cut energy bills, and make London a more pleasant place to live. In the Mayor’s first major speech on the environment since being elected, he set out his priorities on how London can cut carbon emissions by 60 per cent by 2025 and make the city a ‘greener’, more civilised place to live and …