SCOTUS Curbs EPA: The Sackett Case

Justice Alito’s majority opinion held that the phrase “waters of the United States” means only defined bodies of water—such as lakes and streams—and those wetlands that so border them that their waters’ surface merges with the surface of the lake or stream.

August 6 Colorado Energy Roundup: Clean Power Plan Edition

Colorado’s expected targets on carbon reduction from the finalized Clean Power Plan unveiled Monday: Colorado’s 2030 goal of a 28 percent reduction in overall carbon dioxide emissions — or a 40 percent reduction in the pounds of CO2 emitted per megawatt hour of electricity generated — was set using a 2012 benchmark. “Having them stick […]

Will Lawmakers Stop the AQCC’s (almost certainly) Illegal Regional Haze Plan?

I’ve written before about the Air Quality Control Commission’s outrageous Regional Haze Implementation Plan. In particular, I objected to the plan’s treatment of two small coal fired power plants near Steamboat Springs, Hayden 1 and Hayden 2, because it mandates controls that are at least $100 million more expensive than what is required by the […]

2010 Ozone Data: More Evidence That CDPHE Is Cooking the Books

Twice I’ve provided evidence that the Colorado Department of Public Health and Energy (CDPHE) has inflated projections of ozone ambient air concentrations (see here and here). Those were critiques of ozone projections. This year is the first year that we have a data set against which to judge the accuracy of CDPHE ozone modeling during […]

Clearing the Air on Carbon Monoxide: Fatal Scientific Flaws in the EPA Crackdown on Denver and Other

Denver is one of 59 U.S. cities that are under scrutiny by the U.S. Environmental Protection Agency, facing economic sanctions in the form of withheld federal highway funds and pollution control grants. This action is being contemplated by the government because these cities have not achieved compliance with EPAs ambient air quality standard for carbon monoxide (CO), as mandated by the Clean Air Act.