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  Greenland 2014: Follow the Water - YouTube

  https://www.youtube.com/watch?v=_PEi0Retg8A

  In Greenland, scientists who wish to understand ice loss will follow the water. Greenland mass loss is rising exponentially and leading to higher sea level r...

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  Vertical Farming - TechKnow - YouTube

  https://www.youtube.com/watch?v=BwgXb9h-Qgs

  Contributor Kosta Grammatis discovers a secret garden inside Chicago's O'Hare Airport and explores other ways vertical farming impacts restaurants and even s...

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  Watch: World's biggest air purifier on trial run in Xi'an - YouTube

  https://www.youtube.com/watch?v=1VDdsqr-Wiw

  A gigantic purification tower, built to tackle the issue of haze, began its trial run in Xi’an on Tuesday. The innovative, 60-meter-high tower was the brainc...

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