What's an invasive species? It's a great question and one that is much more complex than one might think. The United States Department of Agriculture has created the online National Invasive Species Information Center (NISIC) to bring together key resources on these types of species in the United States as well as other corners of the world. On the site, visitors can Browse by Subject to find...

In a news announcement last week, US Secretary of the Interior Bruce Babbitt stated "the invasion of noxious weeds has created a level of destruction to America's environment and economy that is matched only by the damage caused by floods, earthquakes, wildfire, hurricanes and mudslides." Given recent media attention to the loss of native species, this week's In The News focuses on the spread of...