July 29 was Earth Overshoot Day, the day which marks when we have used more from nature than the planet can renew for the entire year. Our demand for Earth’s resources far exceeds what Earth can generate in a year. In the 1970s Earth Overshoot Day fell in December and November. In the 1990s it … Continued

President Trump’s hyperbolic comments about the country being “full” were followed by numerous media responses, like The New York Times article by The Upshot’s Neil Irwin and Emily Badger, as if it needed to be explained to anyone that the country isn’t actually “bursting at the seams” with people. Regardless of the scope or intent … Continued

For 9 months, I’ve had scores of conversations with environmental leaders and thinkers about immigration’s impact on the U.S. population and environment. I heard some of this: I hope the Trump administration is successful at reducing future immigration flows because such incessant population growth is inhibiting our ability to conserve other species’ habitats. But I … Continued