Adibideak "egin behar dena"/ Ejemplos "lo que hay que hacer"

Analysis: Why the UK’s CO2 emissions have fallen 38% since 1990 | Carbon Brief

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Neurriak hartuz gero emaitzak lortzen dira.

https://www.carbonbrief.org/analysis-why-the-uks-co2-emissions-have-fallen-38-since-1990

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