Independent: So that’s it, then, choruses the commentariat. Collapsing confidence, crashing stock markets and credit-starved banks spell doom not just for the economy, but for environmental concerns. Saving the planet may be all very well in the good times, but is an unaffordable luxury when things turn bad. The argument is pervasive, persuasive and gaining ground. Even some environmentalists half-accept it, believing they should mute their message. But it is plain wrong. Never have green concerns …