population of earth to reach 9.7 billion in 2050: un
The population is expected to climb to 9.7 in 2050 from 7.7 today, with the population of sub-Saharan Africa doubling, United Nations report released Monday said.. ..…
The population is expected to climb to 9.7 in 2050 from 7.7 today, with the population of sub-Saharan Africa doubling, United Nations report released Monday said.. ..…