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Thomas H. Clarke, Jr.
California Court of Appeal upholds trial court's conclusion in Prop. 65 tuna case that the methylmercury present in tuna is "naturally occurring"

One of the weaknesses of Proposition 65 was highlighted in litigation between tuna companies and the State of California over the presence of methylmercury in tuna. Methylmercury is listed under Prop. 65 both for being a carcinogen and a reproductive...

Thomas H. Clarke, Jr.
Bush Administration changes to EPCRA reporting requirements are repealed

Emergency Planning and Community Right-To-Know Act (EPCRA) was enacted in 1986. The law requires approximately 3,500 facilities (businesses in SIC Codes 20 through 39) to report the locations and quantities of chemicals stored on-site to state and local...

Thomas H. Clarke, Jr.
Legislation is introduced to prevent "cow tax" on methane emissions

A prior post (Dec. 13, 2008) discussed the so-called cow tax proposal and urban myth that had caused panic amongst many agricultural interests; it also noted that agriculture was a significant source of methane; an important GHG (as also has been noted...

Tags: Air Quality
Thomas H. Clarke, Jr.
EPA has proposed a national GHG reporting requirement

EPA has proposed a comprehensive system for reporting emissions of greenhouse gases (e.g., CO2, methane, hydrofluorocarbons, and nitrous oxide) produced by major sources in the United States. Approximately 13,000 facilities, accounting for about 85 percent...

Tags: Air Quality
Thomas H. Clarke, Jr.
Exposure to multiple pesticides simultaneously adversely affects salmon even if each individual pesticide causes no harm

Salmon runs along parts of the West Coast of the U.S. have been down. One of the multitude of theses about the cause has been that the salmon are exposed to pesticides in the rivers. In lab tests, researchers exposed juvenile coho salmon to the five pesticides...

Thomas H. Clarke, Jr.
Some reasonable evidence exists that honeybee colony collapse disorder is the result of malnutrition

Prior posts have noted the phenomenon of honeybee colony collapse disorder (CCD) and the various theories that have been proposed to explain it, including moving the bees around too much (aka stresses), pesticides, genetically modified crops, mites, fungus...