Word: aire
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...from outside, through windows, doors, vents and, significantly, on the soles of your shoes. Smaller dust particles - from 28 to 49 microns, or thousandths of a millimeter - tend to stay on your shoes. The rest is shaken off inside. A higher share of the dust that floats in the air gets deposited, but again, there's a lot that determines how much any one home will...
...tobacco smoke, which are the most obvious contributors when they're being produced, actually make only a small contribution to what winds up on floors and surfaces. The tiny size of the particles makes them likelier to rise and adhere to other surfaces or simply remain in the air than to settle. (See the top 10 medical breakthroughs...
...there is a Plan B. In 2007, the Supreme Court ruled that greenhouse gases like CO2 could be considered pollutants and gave the Environmental Protection Agency (EPA) the power to regulate them under the Clean Air Act. Although that authority went unused in the waning days of former President George W. Bush's Administration, the Obama EPA has spent much of the past year preparing the groundwork for regulation. In the absence of a climate bill, the EPA has the power - and is legally mandated by the Supreme Court - to step in and address carbon emissions. (See pictures...
...from clear exactly how the EPA will regulate carbon. Regulations would call for new plants to take on the "best available technologies" to control carbon emissions, but the EPA hasn't specified what those technologies are. Already-built sources of emissions could be even tougher to regulate - the Clean Air Act grandfathered in existing coal plants. And the agency is already facing lawsuits from the state of Texas and from industry groups that seek to prevent the EPA from issuing any regulations at all, arguing that the recent problems in climate science undermine the agency's original endangerment finding...
...times, such efforts at intimacy tend toward the pedantic. Midway through the play’s intermission, Stark emerges from backstage and begins to toy with the hanging sculpture. Her inviting looks and teasing air seem to beckon viewers to play along. Some audience members joined in, but the rest of the room froze. It’s one thing to slip into Laura’s world, another to be dragged...