Environmental

Recent Posts

Adaptation to poison, evolution at work
Posted on 6 Jul 2011 by Thomas H. Clarke, Jr.

Prior posts have noted the wide diversity of selection factors (well beyond Darwin's original thesis) that are able to influence evolution, or what individuals of a population will survive to procreate and define the nature of the future population... Read More

EPA may be preparing tough report on dioxins in food
Posted on 10 Feb 2012 by Thomas H. Clarke, Jr.

Dioxins collectively refers to hundreds of chemical compounds that share certain structures and biological characteristics. See Dioxin . Dioxins fall into three closely related groups: the chlorinated dibenzo-p-dioxins (CDD's) chlorinated dibenzofurans... Read More

New study supports association between exposure to persistent organic pollutants and Type II diabetes
Posted on 18 Aug 2011 by Thomas H. Clarke, Jr.

Prior research has indicated that persistent organic pollutants (e.g., organochlorine pesticides; PCB's) may interfere with the body's ability to regulate blood sugar; some persistent organic pollutants have also been associated with obesity,... Read More

9-11 firefighters show increased cancer risk, notes new study
Posted on 9 Sep 2011 by Thomas H. Clarke, Jr.

Prior posts have addressed the various studies that have been published regarding the impact of exposure to the toxic dust and smoke that was generated by the 9-11 disaster. Researchers have now identified that male firefighters who were exposed to the... Read More

Lake Erie contains substantial quantities of tiny pieces of potentially toxic plastic
Posted on 17 Jun 2013 by Thomas H. Clarke, Jr.

Prior posts have noted the great Atlantic and Pacific garbage patches. [See, for example, http://en.wikipedia.org/wiki/Great_Pacific_garbage_patch ; http://www.mnn.com/earth-matters/translating-uncle-sam/stories/what-is-the-great-pacific-ocean-garbage... Read More

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

9-11 firefighters show increased cancer risk, notes new study
Posted on 9 Sep 2011 by Thomas H. Clarke, Jr.

Prior posts have addressed the various studies that have been published regarding the impact of exposure to the toxic dust and smoke that was generated by the 9-11 disaster. Researchers have now identified that male firefighters who were exposed to the... Read More

New study supports association between exposure to persistent organic pollutants and Type II diabetes
Posted on 18 Aug 2011 by Thomas H. Clarke, Jr.

Prior research has indicated that persistent organic pollutants (e.g., organochlorine pesticides; PCB's) may interfere with the body's ability to regulate blood sugar; some persistent organic pollutants have also been associated with obesity,... Read More

EPA may be preparing tough report on dioxins in food
Posted on 10 Feb 2012 by Thomas H. Clarke, Jr.

Dioxins collectively refers to hundreds of chemical compounds that share certain structures and biological characteristics. See Dioxin . Dioxins fall into three closely related groups: the chlorinated dibenzo-p-dioxins (CDD's) chlorinated dibenzofurans... Read More

The neurological effects of lead & PCB's compared with ADHD: What can be learned from the similarities and differences
Posted on 3 Dec 2010 by Thomas H. Clarke, Jr.

Attention deficit/hyperactivity disorder, or ADHD, is one of the most frequently diagnosed neurobehavioral problems in children and is thought to be largely hereditary. But only a small number of cases have been linked to specific genes, leading many... Read More

Adaptation to poison, evolution at work
Posted on 6 Jul 2011 by Thomas H. Clarke, Jr.

Prior posts have noted the wide diversity of selection factors (well beyond Darwin's original thesis) that are able to influence evolution, or what individuals of a population will survive to procreate and define the nature of the future population... Read More