Joel Schwartz submitted comments to EPA on the agency’s proposal to lower the 24-hour PM2.5 standard from 65 mg/u3 to 35 mg/u3.

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 authors explore using science to justify policy decisions by analyzing the EPA's revised air quality standards for ground-level ozone and particulate matter.

The president was quick to embrace the Keystone delay to 2013, as it will spare him the need to either approve the pipeline, infuriating environmentalists, or kill it, infuriating everyone else. Whether one views such a move as cowardly or as pragmatic, it’s indisputably foolish.

With gas prices soaring, we can't ignore the success of horizontal hydraulic fracturing of shale gas and the profound importance of natural gas on America's energy future.The availability of cheap natural gas is expected to continue well into the future.

Policies enacted over the last few decades have systematically eroded the ability of manufacturers to earn returns on certain drugs, especially older parenteral drugs sold as generics. We need to reform the policies governing these markets if we're going to lure investment back into these important areas.

Both my own research and reading in the literature suggests that EPA has serious problems in the way it employs scientific information when it assesses both the potential benefits, and potential costs of existing and proposed public policies.

Even air pollution levels far higher than any we experience in the United States are perfectly safe. Thenation's air does not cause adverse health effects.