Guardian: In December 2009, Oslo received the distinction of the third greenest city in Europe (after Copenhagen and Stockholm). Always aware of the wealth of their fisheries, water and fossil fuels, the Norwegians were among the first Europeans to feel concerned by the protection of the environment. Beyond the postcards of mountains plunging into the sea, fjords and spectacular northern lights stands a modern country that strives to protect its natural heritage. To achieve its goal of becoming …