2020 was Europe's warmest year on record. The annual State of the Climate report shows temperatures over winter were more than 3.4 degrees above average. UCBMedia #EarthDay https://t.co/8VN0WhJgSz2020 was Europe's warmest year 3193006 2020 was Europe's warmest year on record. The annual State of the Climate report shows temperatures over winter were more than 3.4 degrees