December 2003: American Geophysical Union Issues Statement Supporting View that Human Activity is Causing Global Warming

The American Geophysical Union (AGU), representing over 41,000 scientists from 130 countries involved in the study of atmospheric and ocean sciences, solid-Earth sciences, hydrologic sciences, and space sciences, issue a statement titled, “Human Impacts on Climate.” The opening paragraph states: “Human activities are increasingly altering the Earth’s climate. These effects add to natural influences that have been present over Earth’s history. Scientific evidence strongly indicates that natural influences cannot explain the rapid increase in global near-surface temperatures observed during the second half of the 20th century….” [World Wildlife Fund, n.d.; American Geophysical Union, 12/2003]