April 30, 2012 While the focus of the environmental controversy concerning hydraulic fracturing (“fracking”) has been contamination of aquifers and other water supplies, a recent U. of Colorado study indicates that a much bigger health risk may be air emissions from fracking, such as high levels of air toxic, VOC, and methane emissions. With this [...]

October 12, 2011 Virtually all states that have nonattainment areas for ozone have passed a rule called nitrogen oxide (NOx) Reasonably Achievable Control Technology (RACT). With many regions not in attainment for ozone approaching 4 decades, several states have or are considering toughening this rule to reduce NOx emissions, a precursor for ozone. In New [...]

On July 6, 2011, the USEPA finalized a rule intended to reduce emissions from power plants of fine particulate matter and pollutants that are precursors to smog, indicated by ambient ozone. This new Cross-State Air Pollution Rule (CSAPR) will replace current Clean Air Interstate Rule (CAIR) on Jan. 1, 2012, and will require 27 states [...]