From the 1st July 2015 Commissioners report
Green Bond
On 17 April we successfully issued a £400m Green Bond for 10 years following a series of meetings with investors. The proceeds of the Green Bond will be allocated to projects from five different programmes with various environmental benefits, such as reduced carbon emissions, improved air quality, noise mitigation and others. The project categories include capacity improvements and station upgrades on Rail and Underground, New Routemaster buses