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Topic : smog


What you can’t see can hurt you: the science of tiny air pollution particles

July 7th, 2009

By Barbara Kessler
Green Right Now

You know those smoggy, hazy days when you look toward downtown to find the skyscrapers obscured behind a ripply, gray veil? What horrible pollution, you think. And it may be.

But watch out, those other days when the skyscrapers blaze brightly under clear blue skies may be deceptively hazardous to your health as well, or maybe more so.

[Read more →]

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Our toxic world: From smog to baby bath, it’s hard to know the risks

March 17th, 2009

By Barbara Kessler
Green Right Now

Quick get me to a de-tox chamber!

I hate to pile on, but underneath all the bad news about our sickly economy and fragile atmosphere is an oil slick of foreboding tidings about our ailing everyday environment.

Take last week’s study in the New England Journal of Medicine showing that people living in the smoggiest cities are more likely to die from respiratory diseases. The study of nearly half a million adults found that ground-level ozone has a longer-term impact than previously recognized, resulting in “a significant increase in the risk of death from respiratory causes”. That makes so much sense. We’re warned to stay in on “alert” days when ozone levels are high; especially the young, the old and people with asthma. It stands to reason that ozone could be cumulatively damaging.

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California’s new auto emissions labels help sort out cleanest vehicles

January 5th, 2009

By Barbara Kessler
Green Right Now

Just like you hunt for that Energy Star tag when examining a fridge or washer, people in California can now duck under the hood of any new 2009 model car to get an at-a-glance emissions rating.

The Environmental Performance sticker, mandated to begin on Jan. 1 for all new model cars, will include two scores, one rating the car’s smog emissions and the other its greenhouse gas output. The air pollutants for the latter include carbon dioxide emissions, which make up the greatest volume of greenhouse gases. Gas engine cars emit nitrous oxides, methane gases, hydrocarbons, carbon dioxide and other emissions.

[Read more →]

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