No people on earth are more righteously Green than the Germans. They built the foundations and set the tone of the modern Green movement in, ahem, the 1930s. They invented the phrase Atomkraft Nein Danke. They were the first country to allow nasty, dangerous Sixties eco-radicals to reinvent themselves as respectable politicians. They were the first place to buy, wholesale, into the solar power con, which is why so many of their rooves – especially on churches – shimmer and glow like reflective-coated crusties at a mid-Nineties rave, while the German taxpayer is ruing the day his government ever chose...