Recent Posts

Even toxics can act as a generic selection factor in the environment
Posted on 22 Feb 2011 by Thomas H. Clarke, Jr.

One of the themes of this blog has been that virtually anything present in the environment can act as a selection factor influencing the course of evolution. A recent study on fish and PCB's and dioxins illustrates this point. Unfortunately for humans... Read More

Creating protected zones helps the recovery of even migratory fish species
Posted on 30 Aug 2010 by Thomas H. Clarke, Jr.

As noted in prior posts, the creation of protected zones in which fishing is prohibited has been shown to be an effective method for assisting the recovery of fish that do not migrate over great areas. For example, protected zones in the region of the... Read More

Use of Endangered Species Act to prevent mining operation requires input early in the NOI review process
Posted on 15 Apr 2011 by Thomas H. Clarke, Jr.

The Endangered Species Act ("ESA") is becoming a popular tool used by public interest groups to stop projects that they view as adverse to environmental quality. However, a recent attempt to use the ESA against a mining project failed when the... Read More