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Researchers find a new way to clear the air

In 1999, then-Chinese Premier Zhu Rongji said that Beijing's pall of smog "would shorten my life at least five years," a hazard level scientists affirmed two years ago with a study of China's air pollution. That reality that ...

dateMar 17, 2015 in Environment
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Video: Keeping cool without killing the planet

We've had the delightful benefits of air conditioning and refrigeration for more than a hundred years now. In the early days, dangerous chemicals were used as refrigerants. Eventually, chlorofluorocarbons ...

dateJun 11, 2015 in Other
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