The controversy over the Clean Air Act is worth understanding because it reveals a pivotal development that EPA and the environmental groups would prefer to conceal: the 40-year-old act is no longer a sensible way to regulate large-volume conventional air pollutants such as ozone and particulate matter.

The Environmental Protection Agency’s reasons for not using its usual approach to regulating greenhouse gases unwittingly shows that it is obsolete for controlling conventional pollutants. Congress should update the Clean Air Act.

Telework would help address some of the biggest problems currently plaguing the United States, including budget crises, environmental pollutants, and costly energy use.

The chances of seeing a properly valued, revenue-neutral carbon tax are about as likely as the chances of seeing a unicorn-powered spaceship. The idea would cause nothing but misery. Here are a few reasons why:

Howarth doesn’t have to convince anyone he’s right to devastate New York’s budding shale industry and put tens of thousands of jobs into question. He wins if he muddies the waters enough to give cautious Albany bureaucrats reason to stall.

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

When economies are already laboring under too much spending, and are at diminishing-return levels of taxation, implementing a carbon tax would be a mistake.