Methane is a greenhouse gas that is less abundant than carbon dioxide, but has a much more potent effect. It is also a greenhouse gas that is often present in natural systems. Zhuang et al. used computer modelling to...

This story from Discover Magazine follows the career of paleontologist Stephen Hasiotis, who specializes in terrestrial ichnology, as he searches for the tracks of ancient invertebrates, even where a fossil record is...

The Northern Prairie Wildlife Research Center (NPWRC) has announced four newly online publications, all of which are available at the NPWRC Website. The second resource, by L. David Mech, was originally published in 1995...

The United States Geological Survey (USGS) offers a host of earthquake information, but this portion of their website focuses on the 1906 earthquake in San Francisco, which was not only the worst in United States...

As governments begin to consider regulation of greenhouse gases, many are turning to market-based initiatives. Such programs assign emitters a certain share of emissions, and allow them to trade for emissions rights in...