Text written in Basque and translated automatically by Elia without any subsequent editing. SEE ORIGINAL
Ferrocarrilla del Norte - Remembering the ozone layer
25 years ago, the most worrying of environmental problems was the decline of the stratospheric ozone layer. The problem was detected, the use of CFC molecules was banned, and as a result, the problem began to be solved. But the story doesn’t end there. CFC substitutes were missing. That was hardly talked about.
Buletina
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