What kind of evidence could demonstrate that humans have begun to dominate and alter the life systems of Earth and have entered a new geological epoch? This article discusses the suggestion that we have entered the Anthropocene and...

Designed by the Open University and the BBC, this website from Open2.net explores ecosystems. Included is a lengthy discussion on closed ecosystems and their importance to research, as well as a virtual ecosystem, an interactive showcase...

This article discusses how the United States is to blame for much of the world's pollution, along with some possible steps that could be taken by the government to reduce this.