2050年

The world's population is increasing at an alarming rate, and the demand for water is increasing as well. By 2050, it is estimated that the global demand for water will be twice as high as it is today.

The United Nations said that the world population isexpected to reach 8.6 billion in 2030, and to hit 9.8billion by 2050, despite nearly universal lowerfertility rates.联合国日前表示，尽管世界各地的生育率几乎都有所下降，

导读:2020年，我国失能老年人将持续增长到的4200万，80岁以上高龄老年人2900万，空巢和独居老年人1.18亿。China will have 42 million disabled senior citizens by 2020, and that number will more than double by 2050, according to

导读:硕鼠硕鼠，无食我黍！似乎人类与老鼠之间的恩恩怨怨自古就有之。近日新西兰总理约翰基宣布，到2050年，新西兰将成为一个无鼠国度。你怎么看？Their abilities to travel, multiply and spread disease have always made rats one of

UNITED NATIONSIndia's population is expected to surpass China's in about seven years and Nigeria is projected to overtake the United States and become the world's third-most-populous country shortly before 20

联合国：印度人口7年内超中国World population is set to hit 9.7billion by 2050 with India overtaking China as the world's most populous country within seven yearsThe world's population will reach 9.7 billion by 2050 asIndi

导读:据一份权威报告称，如果全世界不立刻采取行动，到2050年时全球每3秒钟就会有一人死于超级病毒。The global review sets out a plan for preventing medicine being cast back into the dark ages that requires billions of dollars