…achievement in schools receiving air filters relative to those that did not using a spatial regression discontinuity design. I find substantial improvements in student achievement: air filter exposure led to…

…candidate turns out to be, I urge you to consider the devastating reduction in protections for clean air, clean water, and clean land (thus also clean air/water and food) under…

…significantly, and this constricts the amount of air space available for the transportation of mail. With air capacity constrained, the Postal Service is forced to divert mail to ground transportation.”…

…Chair Jon Tester, and 11 colleagues announced their “collective opposition to the AIR Commission process moving forward.” This being a sharp rebuke to present VA Secretary Denis McDonough. As part…

…pets on the national airlines. If Pet Airways succeeds, there may be an economic lesson as well for the foundering human airlines. If we had less stress at the airport…

…tax problems, but she may have a more fundamental problem with the State of Alaska regarding reimbursements for travel by her husband and children totaling $43,000. According to this Washington…

…physicians what they already k new, Depakote was a very valuable medication for “off-label” (unapproved uses). In the irony department, prescribing and administering Depakote for off-label uses is legal, and…

…capacity as one of the biggest problems of the air carriers. Worse, when airlines act to reduce overcapacity and save costs, federal regulators often stand in their way. The pre-9/11…

…life years lost according to the Global Burden of Disease Report. The World Health Organization attributes 3.8 million additional deaths to indoor air pollution. Air pollution can harm acutely, usually…

…recommending wearing a mask on public transit.” The mask requirement for travelers was the target of intense lobbying by airlines seeking to kill it. Carriers arguing the use of effective air filters…