The population and economic growth that can be anticipated in coming decades will tend to push greenhouse gas emissions substantially upward
Although it’s long been suspected that human activity has greatly contributed to environmental stress, it’s only recently that science has begun to show just how great a role that activity is playing.

In an article published in the journal Nature Climate Change, Michigan State University’s Thomas Dietz and his colleague, Eugene Rosa of Washington State University, take a critical look at the various factors that have long been prime climate-change suspects. One in particular: The role of population growth.