Environmental

Recent Posts

Steps Are Being Taken by Various Entities to Reduce Consumer Exposure to BPA
Posted on 18 Mar 2012 by Thomas H. Clarke, Jr.

Numerous prior posts noted that nearly everyone in the U.S. has low levels of BPA in their body, and have reviewed the animal and laboratory studies which indicate that BPA exposure may have adverse health effects on humans. It has also been noted that... Read More

Can dead zones (hypoxic waters) cause deformities in sexual organs of fish? Interesting study suggests it can.
Posted on 1 Jun 2011 by Thomas H. Clarke, Jr.

Prior posts have described the scope and potential causes for the "dead zone" (low oxygen) in the Gulf of Mexico; the zone exists for part of the year, and its scope has been expanding over time. Nutrients (nitrogen, phosphorus) from various... Read More

Update on BPA Use and Production
Posted on 20 Mar 2012 by Thomas H. Clarke, Jr.

The post on March 18, Steps Are Being Taken by Various Entities to Reduce Consumer Exposure to BPA , noted that Campbell's was planning on removing BPA from its soup cans. Other companies are also taking steps to decrease, minimize, or eliminate BPA... Read More

BPA exposure may be underestimated because of laboratory method used
Posted on 14 Jun 2011 by Thomas H. Clarke, Jr.

Prior posts have discussed various animal studies that have reported the potential for adverse impacts from BPA exposure, as well as the controversial conclusions of FDA under President Bush in assessing the risk of such exposure to humans. Recently... Read More

FDA Rejects Ban on BPA (Bisphenol A) from Food Packaging
Posted on 10 Apr 2012 by Thomas H. Clarke, Jr.

Prior posts have noted the numerous studies involving various animals that have indicated the potential estrongenic effects from exposure to BPA. Prior posts have also noted that the primary vector of exposure is cash register receipts. In 2008, the... Read More

Another BPA issue -- it may cause undesirable activation of estrogenic genes
Posted on 31 Aug 2011 by Thomas H. Clarke, Jr.

Prior posts have followed the debate over BPA and its potential problems. In a recently reported study, researchers have raised a new issue, the activation of estrogen-related genes. Exposure of animal and cell models to doses of BPA below the recommended... Read More

Can dead zones (hypoxic waters) cause deformities in sexual organs of fish? Interesting study suggests it can.
Posted on 1 Jun 2011 by Thomas H. Clarke, Jr.

Prior posts have described the scope and potential causes for the "dead zone" (low oxygen) in the Gulf of Mexico; the zone exists for part of the year, and its scope has been expanding over time. Nutrients (nitrogen, phosphorus) from various... Read More

Update on BPA Use and Production
Posted on 20 Mar 2012 by Thomas H. Clarke, Jr.

The post on March 18, Steps Are Being Taken by Various Entities to Reduce Consumer Exposure to BPA , noted that Campbell's was planning on removing BPA from its soup cans. Other companies are also taking steps to decrease, minimize, or eliminate BPA... Read More

BPA's fluorinated "twin" may be more of a health threat than BPA
Posted on 30 Jun 2010 by Thomas H. Clarke, Jr.

Prior posts have noted in detail the debate over the potential adverse health effects of BPA (e.g., estrogen mimic), with the vast majority of research studies indicating that the Bush Administration FDA was incorrect in down-playing the potential adverse... Read More

Another BPA issue -- it may cause undesirable activation of estrogenic genes
Posted on 31 Aug 2011 by Thomas H. Clarke, Jr.

Prior posts have followed the debate over BPA and its potential problems. In a recently reported study, researchers have raised a new issue, the activation of estrogen-related genes. Exposure of animal and cell models to doses of BPA below the recommended... Read More

Male development just became a more complex issue, making toxic torts based on endocrine disruptors more difficult to prove
Posted on 13 May 2010 by Thomas H. Clarke, Jr.

Prior posts have noted that in the arena of toxic torts causation is king. Causation of course depends on the underlying processes. If one cannot show a process or system is disrupted or adversely affected, then causation will not be shown. When addressing... Read More

The herbicide Atrazine has estrogenic effects and interferes with metamorphosis of frogs
Posted on 6 Jun 2010 by Thomas H. Clarke, Jr.

Prior posts have noted various theories, and the support for such, related to the decreasing presence of frogs in riparian habitats. These have included various pesticides and infections from viruses and fungi. Now, Atrazine joins the parade of possibilities... Read More

BPA exposure may be underestimated because of laboratory method used
Posted on 14 Jun 2011 by Thomas H. Clarke, Jr.

Prior posts have discussed various animal studies that have reported the potential for adverse impacts from BPA exposure, as well as the controversial conclusions of FDA under President Bush in assessing the risk of such exposure to humans. Recently... Read More

FDA Rejects Ban on BPA (Bisphenol A) from Food Packaging
Posted on 10 Apr 2012 by Thomas H. Clarke, Jr.

Prior posts have noted the numerous studies involving various animals that have indicated the potential estrongenic effects from exposure to BPA. Prior posts have also noted that the primary vector of exposure is cash register receipts. In 2008, the... Read More