Question

Why is the United Nation’s estimate of the world population increasing to 9 billion by the middle of twenty first century alarming?

Answer 1

$\huge\mathfrak\red{Answer}$

The current world population of 7.6 billion is expected to reach 8.6 billion in 2030, ... 21 June 2017, New York ... of the LDCs, roughly one billion in 2017, is projected to increase by 33 .