The Latest On: Air
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President Obama won the White House on a platform of hope and change – promising an end to dirty corporate influence over our political system and a beginning to an era in which our energy choices lead us to a clean, sustainable future, or at least don’t kill us or make us sick.
So far, the president’s performance has been mixed – with some deliveries on the promise and some disappointments. His last year, whether in office or in his first term, will be crucial in righting his spotty record and making good on his campaign promises to the American people.
Emissions from aircraft are a substantial contributor to global warming. Taking into account greenhouse gas emissions, the warming effect of contrails and aviation-induced cirrus clouds, and anticipated growth in air traffic, scientists estimate that aircraft could be responsible for as much as 10 percent of human-caused global warming by 2050. So, of course the airlines are working hard to reduce these emissions, right?
The historic victory for clean air announced a few days ago—limits on the mercury, arsenic and other toxic emissions from coal plants—has been a long time coming. Congress called for these limits in 1990, but the coal power industry got to work undermining them straight away. As a result, instead of getting the breath of fresh air promised by Congress, Americans living in the shadow of a smokestack have been getting daily lungfuls of toxic air for 21 years.