Population control is one of the least sexy platforms a politician could embrace today. The very term connotes coercive family planning practices like China’s one-child policy, or worse, forced sterilization. And yet, overpopulation contributes to or exacerbates almost all of ...

1,267,401,849. That’s the number of people who live within the borders of India—a country one-third of the size of the US with more than four times the population. By 2030, India is expected to become the largest country by population ...

A streamlined public transportation system is an important element of any modern city’s infrastructure. Metro and subway systems reduce traffic, cut emissions and connect populations. Look to Asia for prime examples of such systems; Japan is home to 82 of ...