We could be severely undercounting the number of humans living on Earth, scientists suggest. While the United Nations determined that 8.2 billion people are sharing dwindling resources on our planet as of last summer, researchers found that the number could be off by anywhere from hundreds of millions to several billion people. That might sound like an alarming revelation. But as author and public health PhD Jonathan Kennedy argues in a recent opinion piece for The Guardian, overpopulation is "rarely just about the numbers." "They reflect power struggles over which lives matter, who is a burden or a threat and […]