从25亿到100亿——人口大爆炸 跨世纪的中国和世界什么问题最大? 人口爆炸! 它起爆于上个世纪,大爆于本世纪,下世纪将达到极峰而后趋向缓和。其中增长最快的,是本世纪下半叶和下世纪上半叶这一跨世纪的百年;1950年世界总人口为25亿,而今年4月15日12时13分53秒,“世界人口钟”(它是由联合国人口基金会和家庭计 From 2.5 billion to 10 billion - Big population explosion China and the world across the century What is the biggest problem? Population explosion! It exploded in the last century, big explosion in this century, the next century will reach its peak and then tend to ease. Among them, the fastest-growing one is the centenary century of the second half of this century and the first half of the next century; the total population of the world in 1950 was 2.5 billion, and at 12:13:53 on April 15 this year, the “world population Clock ”(it’s by the UN Population Fund and the family