Natural and man-made disasters killed 20,000 people in 2007 and cost the world economy more than 70 billion dollars (45 billion euros), reinsurer Swiss Re said Tuesday. The world was hit by 142 natural catastrophes and 192 man-made disasters in 2007, the company said in a report, with most deaths in Bangladesh, India, China and Pakistan as a result of heavy flooding and cyclones, the report said. The statistics