The world’s population is topsy-turvy, and its exponential and uneven growth could have disastrous consequences if we aren’t ready for it. Humanity recently hit a benchmark, a population of 7.9 billion in 2013 . It is expected to reach 8.5 billion by 2030, and 9.6 billion by 2050 . If that weren’t enough, consider 11.2 billion in 2100. Most of the growth is supposed to come from nine specific countries: India, Pakistan, the Democratic Republic of the Congo, Ethiopia, Tanzania, Nigeria, the United States, and Indonesia. It isn’t fertility that is driving growth, but rather longer lifespans . World population growth peaked in the 1960s, and has been dropping steadily since the ’70s. 1.24% was the growth rate a decade ago, annually. Today, it is 1.18% per year. Populations in developed countries have slowed to a trickle. Here, it has gotten too expensive to have a child for a […]