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Searching for coolant traces in the atmosphere

Fourth generation halogenated coolants and foaming agents have only been in use for a few years. They have replaced persistent greenhouse gases such as R134a, which were used in (car) air conditioning units, ...

dateMar 24, 2015 in Environment
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Image: Aral Sea from orbit

This multitemporal Sentinel-1A radar image shows the Aral Sea, located on the border between Kazakhstan and Uzbekistan in Central Asia.

dateMar 27, 2015 in Earth Sciences
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