Guardian: David Cameron promised this to be the greenest government ever. Brave words. But it is not yet clear they will be matched by brave actions. Turning blue into green was at the heart of the prime minister’s effort to restore his party’s electoral fortunes. Greenness is one of the central girders binding the coalition together. So it would be rash to write this promise off as just talk. But actions will speak louder. So far, they have not been promising. Killing both the royal commission …