Articles by Joel Schwartz

No Smog for the Fear Factory?

Ozone smog levels have plummeted during the last three years. Between 2003 and 2005, the fraction of the nation's ozone monitors violating the federal 8-hour ozone standard plunged from 43 percent down to a record-low 18 percent.[1] The last three... Read More

Of Mice and Men

By far the most serious health claim about air pollution is that it kills tens of thousands of Americans each year, mainly due to exposure to fine particulate matter (PM2.5). However, an embarrassment for proponents of today's historically low air... Read More

How Toxic Was My Valley

New York and California have the most toxic air in the nation, according to a new EPA report widely covered by the news media.[1] But having the most toxic air doesn't tell us much. After all, no matter how clean... Read More

EPA's Faith-Based Pollution Standards

Editor's note: This is the second of two parts on EPA's new particulate matter standards (the first of which can be found here). There is no question that high levels of air pollution can kill. About 4,000 Londoners died during... Read More

Particle Civics

When the Environmental Protection Agency cuts allowable particle pollution levels more than 45 percent, you might expect commendations from environmentalists and the press. You'd be disappointed. EPA recently proposed reducing allowable daily levels of fine particu Read More

Particle Civics

When the Environmental Protection Agency cuts allowable particle pollution levels more than 45 percent, you might expect commendations from environmentalists and the press. You'd be disappointed. EPA recently proposed reducing allowable daily levels of fine particu Read More

Holes in EPA's Ozone Policy

No sooner has EPA implemented its tough new 8-hour ozone standard, than the agency is considering a substantial new clampdown on federal smog limits.[1] The Clinton administration concluded back in 1996 that trying to attain the 8-hour standard would cause... Read More

Asthma and Air Pollution

The prevalence of asthma rose by about 75 percent overall between 1980 and 1996, and by nearly a factor of two in children up to 17 years of age.[1] Prevalence seems to have leveled off since then.[2] Roughly 6... Read More

Power Plant Pollution and Environmentalists' Power

"New Rules Could Allow Power Plants to Pollute More" according to Wednesday's Washington Post.[1] The Post story focused on a draft Bush-administration regulation that would make it harder to trigger New Source Review (NSR), a Clean Air Act provision... Read More

A Court Rules Prudently... for Now

In the latest setback for global warming activists, the federal Court of Appeals for the DC Circuit ruled last Friday that the Clean Air Act does not require the Environmental Protection Agency to regulate greenhouse gas emissions from motor vehicles.... Read More

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