Reuters: Norway launched a Noah’s ark of the plant kingdom on Tuesday to protect crop seeds, among mankind’s most valuable resources, from cataclysm inside an Arctic mountainside. Blasted out of icy rock 1,000 km (600 miles) from the North Pole, the air-locked vaults would stay frozen for 200 years even in the worst-case scenario of global warming and if mechanical refrigeration were to fail, officials said. Initially 100 million seeds from more than 100 countries have been sent for …