Urbanization may actually lead to a scenario where the world doesn’t end in doom, according to new research paper. The paper suggests that population growth will decline drastically as more and more people move into cities, meaning fewer resources will be needed to keep the world functioning. Combine this trend with a political shift towards sustainability, and you’ll see that there’s still an opportunity to avert a sixth mass extinction. If you want to see a scenario of the future that doesn’t seem so bleak, read this piece.