Al Armendariz, the top Environmental Protection Agency official in the oil-rich Southwest region, resigned from his post, effective Monday. It’s the latest twist in the never-ending and increasingly ugly fracking fracas. A two-year old video had surfaced last week (and since pulled) featuring Armendariz comparing his “philosophy of enforcement” to...

Oil production, made possible by the combination of horizontal drilling and hydraulic fracturing, is unlocking vast supplies of energy from the North Dakota's Bakken formation and putting it on an economic trajectory that is unmatched elsewhere in the country.

An American people who allow the representative branch of government to be nullified by an imperial executive branch will not long have representative government.

The Environmental Protection Agency will celebrate the fortieth anniversary of the Clean Air Act, but the Clean Air Act cannot handle today's pollution problems and time to really celebrate will come when the Clean Air Act is itself reformed to make it capable of dealing with today's challenges.

We can expect a proliferation of new regulations that will reach into every area of American life and commerce.

Reforming the Clean Air Act’s treatment of conventional pollutants would both ease political resolution of the greenhouse gas issue and improve control of conventional pollutants.

Bisphenol A, also known as BPA, is a common, useful, and in some cases irreplaceable product in commerce, but now faces new regulatory challenges.

Rather than colluding to maintain the corporate income tax, countries should switch to better-designed revenue sources.