Global warming is not a future apocalypse, but a present reality for many of the world's poorest people, according to the most hard-hitting United Nations report yet on climate change, published yesterday. A catalogue of the "climate shocks" that have already hit the world is set out in the Human Development Report 2007/08. Fewer than two per cent of these have affected rich countries. Europe had its most intense heatwave for 50 years and Japan its greatest number of tropical cyclones in a single year. But far more intense drought, floods and storms than usual have plagued the developing world. Monsoons displaced 14 million people in India, seven million in Bangladesh and three million in China which has seen the heaviest rainfall - and second highest death toll - since records began. Cyclones blasted Indonesia, the Philippines and Vietnam. Hurricanes devastated the Caribbean and Central America, killing more than 1,600 Mayan people in Guatemala. Droughts have afflicted A...