Earth - Environment news

No tornadoes reported anywhere across US in March

With only about two-dozen twisters recorded so far this year during a period when 100 or more are typical, the U.S. appears to be in a tornado drought as cool, stable air prevents the ingredients of the violent ...

Mar 20, 2015
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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, ...

Mar 24, 2015
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