Dear EarthTalk: Is it true that human overpopulation isn't such a big issue any more as numbers are expected to start declining in a few decades? — Melinda Mason, Boone, Iowa Ever since Thomas Malthus ...

A compelling biography about a groundbreaking scientist and his controversial work, using rodent cities — rodentopias — to identify and examine the potential catastrophes that might befall human ...

Food shortages, poverty, climate change, pollution, water scarcity and increased crime. What do all of these plagues on society have in common? They are either due to or exacerbated by overpopulation.

Ever since Thomas Malthus published "An Essay on the Principle of Population" in 1798, positing incorrectly that humans' proclivity for procreation would exhaust the global food supply within a matter ...