If you need information on land use changes over time, or on current land uses and character, you may want to check out decades-worth of globe-spanning satellite images that USGS has made freely available to the public.

The summer of 2007 was another hot one in the US and worldwide.

It's the time of year when dead zones are prominent all over the northern hemisphere and their causes are varied.

Covering for the slovenly among us, hundreds of thousands of volunteers are expected to participate in an annual trash collection effort on Sept. 15, 2007, along the shores of the world's oceans, lakes, and rivers.

Around the world, compact fluorescent lamps (CFLs) are widely touted — and sometimes required — as energy-efficient replacements for standard incandescent bulbs.

Even Al Gore, tweaked by conservatives for his multi-home, jet-setting lifestyle, has defended his bona fides by touting his family's purchase of carbon offsets.

The third of four reports that comprise the Intergovernmental Panel on Climate Change's "Fourth Assessment Report on Climate Change" is scheduled to be released May 4, 2007, in Bangkok.

Post-Kyoto climate change negotiations began in earnest in Bali, Indonesia, to prepare for the next iteration of world consensus on the topic.

Key resources of studies and statistics for human angles on environmental stories.

Disasters create hundreds of thousands of environmental refugees in U.S and the World.