International Herald Tribune: Last year, as United Nations scientists were warning of the perils of man-made climate change, this small country of fjords and factories reacted with an extraordinary pledge: By 2050 Norway would be “carbon neutral” – generating no net greenhouse gasses into the air. Norway’s bold promise raised the bar for other nations, who were mostly still struggling to figure out how to reduce emissions, even fractionally. Then, in January, the Norwegian government upped the ante …