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...

Quick: How many kinds of gasoline do we use in America? Most people would say three or six: regular unleaded, mid-grade, and premium, along with the ethanol blends of the same that have become nearly universal. The actual number is somewhere above 45, though hard to pin down exactly, according...

This volume covers seven major indicators of environmental progress, including air quality, energy, climate change, water quality, toxic chemicals, forests and land, and biodiversity.

Improvements seen across key environmental indicators should be cause for celebration this Earth Day, according to Steven F. Hayward, Ph.D., author of the new book "Almanac of Environmental Trends."

While there may not be many viable options to stop oil from spilling into the Gulf, there are obvious actions that can be taken to improve cleanup efforts, but the Obama administration is resisting these remedies.

Congress can and should pass something similar to Rep. Marsha Blackburn's bill, which would prohibit the Environmental Protection Agency from regulating greenhouse gases under the Clean Air Act.

The Federal Consent Decree Fairness Act would free state and local government from court orders that are unnecessary to protect rights, yet prevent states and localities from adopting to the lessons of experience and changing priorities.

Just like the leaders of the civil rights movement, Russia's activists seek to effect vast political and social change by personal and deeply moral effort fueled from within.