Recent Posts

Environmental Protection Agency Modifies Air Quality Standards for Ozone
Posted on 12 Oct 2015 by Troutman Sanders

On October 1, 2015 the United States Environmental Protection Agency (“EPA”) adopted a more stringent air quality standard for ground-level ozone emissions that reduces the national standard from 75 parts per billion (“ppb”) to... Read More

EPA Settles With Costco To Cut Ozone-Depleting And Greenhouse Gas Refrigerant Emissions Nationwide
Posted on 10 Sep 2014 by LexisNexis Legal Newsroom Staff

Costco Wholesale Corporation, one of the nation’s largest retailers, has agreed to cut its emissions of ozone-depleting and greenhouse gases from leaking refrigeration equipment at more than half of its stores nationwide. In a settlement with... Read More

Marten Law: EPA Proposes New Rules for Power Plant Emissions
Posted on 16 Aug 2010 by Dustin T Till

By Dustin Till, Associate, Marten Law Group PLLC “A new rule proposed by the Environmental Protection Agency (EPA) would regulate emissions from coal-fired power plants in Eastern and Midwestern states. Known as the Transport Rule, EPA's... Read More

Cattle feed can contribute to increased rural ozone levels
Posted on 31 May 2010 by Thomas H. Clarke, Jr.

As noted in prior posts, livestock operations are often associated with polluting streams and groundwater. Manure lagoons not only are associated with odor, but because of the nitrogen and phosphorus produced are associated with dead zones in streams... Read More

What is the source of the oceans' production of N2O, a potent GHG?
Posted on 7 Aug 2011 by Thomas H. Clarke, Jr.

The oceans emit an estimated 30% of the nitrous oxide (N2O) entering the atmosphere. Nitrous oxide gives rise to NO (nitric oxide) when it reacts with oxygen atoms, and this NO in turn reacts with ozone. As a result, N2O is the main naturally occurring... Read More