世界气象组织2002年8月29日向新闻界发布一份报告说，肆虐全球的洪灾和干旱等自然灾害正在加剧，人类生存环境面临严峻挑战。世界气象组织的报告说，从2002年年初以来，世界80多个国家超过800万平方公里的土地遭受洪灾，造成3000多人死亡，1700多万人的生活陷入困境，财产损失 The World Meteorological Organization released a report to the press on August 29, 2002, saying that natural disasters such as floods and droughts are wreaking havoc and the human living environment is facing serious challenges. According to the World Meteorological Organization’s report, more than 8 million square kilometers of land in more than 80 countries in the world have been flooded since the beginning of 2002, killing more than 3,000 people and endangering the lives of more than 17 million people. Property losses