Natural Resources
Overpopulation is killing the world's biodiversity

To the editor: Your editorial highlights a critical issue that's frequently left out of the conversation: We can't effectively tackle climate change without looking at our runaway population growth and overconsumption. And it's not just the climate that's suffering from infinite growth on our finite planet. ("Why we need to address population growth's effects on global warming," Editorial, Jan. 25) As human population has skyrocketed, so has the rate of wildlife extinction. Species are going extinct at 1,000 to 10,000 times the natural rate, largely driven by the demands for food, water, land and energy of a population that's doubled in the past 50...