News tagged with gases

Modern-day colliers' canaries

Much like the miners' canaries of yesteryear, birds are once again warning of potentially damaging substances in the former South Wales coalfield.

dateJul 31, 2013 in Environment
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Radio waves carry news of climate change

The ionosphere, one of the regions of the upper atmosphere, plays an important role in global communications. Ionized by solar radiation, this electricity-rich region is used for the transmission of long ...

dateJul 30, 2013 in Earth Sciences
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The case for climate models

In the absence of time-travelling climatologists, models are unrivalled tools for understanding future climate, even when news ones predict wider uncertainties, write Sophie Lewis and Sarah Perkins.

dateJul 24, 2013 in Earth Sciences
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Video: Earth's ozone layer

Several decades ago, chlorofluorocarbons (CFCs) were chemicals used in hairspray, deodorants, foam products, air conditioners and more. In 1974 chemists Sherwood Rowland and Mario Molina published a paper ...

dateApr 07, 2015 in Environment
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