矛盾一:资源和能源约束加剧,影响北京市经济的可持续发展水资源紧张已成为制约首都经济发展的突出矛盾。京津冀豫等北方地区因持续多年干旱,缺水形势日趋严峻。目前北京市已连续5年干旱,5年年均雨量仅为多年平均雨量的70%。据水利部门提供的数据,到2004年1月1日,北京市主要水源 One of the contradictions: intensified resource and energy constraints, affecting the sustainable economic development in Beijing City Water shortage has become a prominent contradiction restricting the economic development of the capital. The northern part of Beijing, Tianjin, Hebei, Henan and other northern regions continued to suffer from drought for many years and the water shortage situation has become more and more severe. At present, Beijing has been droughts for five years in a row, with average annual rainfall of only five years being only 70% of the average annual rainfall. According to data provided by the water conservancy department, to January 1, 2004, the main water source in Beijing