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  • Air pollution change dramatic across parts of Earth

    Air pollution change dramatic across parts of Earth

    Air pollution change dramatic across parts of Earth

    Wednesday, August 20 2014 12:51 PM EDT2014-08-20 16:51:41 GMT
    Until now, measuring pollution across the globe has been difficult. Land sensors are few and far between and only give a snapshot of pollution levels for a small area. In recent years, new satellites circling the Earth have instruments on board that can now measure pollution on a global scale.
    Until now, measuring pollution across the globe has been difficult. Land sensors are few and far between and only give a snapshot of pollution levels for a small area. In recent years, new satellites circling the Earth have instruments on board that can now measure pollution on a global scale.
  • Active tropical season off west coast of Mexico helping Arizona's monsoon

    Active tropical season off west coast of Mexico helping Arizona's monsoon

    Active tropical season off west coast of Mexico helping Arizona's monsoon

    Monday, August 18 2014 2:35 PM EDT2014-08-18 18:35:54 GMT
    An active monsoon week is in the forecast for Southeast Arizona. And for some areas if has already been a good year for summer downpours.
    An active monsoon week is in the forecast for Southeast Arizona. And for some areas if has already been a good year for summer downpours.
  • Comet on track to buzz by Mars in October

    Comet on track to buzz by Mars in October

    Wednesday, August 13 2014 3:20 PM EDT2014-08-13 19:20:59 GMT
    There is no danger of the comet hitting Mars, but the close encounter provides researchers with an opportunity to gather data never seen before. The Red Planet's atmosphere may interact with debris and gasses in the comet's tail resulting some spectacular views. 
    There is no danger of the comet hitting Mars, but the close encounter provides researchers with an opportunity to gather data never seen before. The Red Planet's atmosphere may interact with debris and gasses in the comet's tail resulting some spectacular views. 
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