Europe's 2023 Climate Report: Record Heat, Wildfires, and Biodiversity Loss

Europe experienced abnormal temperatures in 2023, with 95 per cent of land and 86 per cent of seas recording above-average heat. The continent is warming twice as fast as others, with air temperatures becoming «dangerously high». Turkey hit an all-time high of over 50 degrees, and southern/eastern Spain endured months of heat with 50 extra days above 32 degrees. An unprecedented three-week heatwave struck Norway, Sweden, and Finland, with temperatures exceeding 30 degrees inside the Arctic Circle.

The Greenland ice sheet lost 139 billion tonnes of ice, more than all of Europe’s mountain glaciers combined. Snow cover was 30 per cent less than normal, and over 70 per cent of rivers had lower than normal levels for 11 months. Wildfires burned 1,034,550 hectares, an area the size of Dublin, Wicklow, Kildare, Meath, Louth, and Wexford combined. Ireland had its second-warmest year, with an «extreme» marine heatwave off its west and southwest coasts. Ireland and the UK were hit by their strongest wind storm ever, Storm Éowyn.

The European State of the Climate Report emphasizes biodiversity loss, stating climate change destroys nature and habitats, undermining natural landscapes’ ability to absorb carbon and protect against storm surges and flooding. Dr. Claire Scannell of Met Éireann noted that biodiversity decline weakens nature’s ability to regulate and adapt to climate change, creating a reinforcing cycle. John Hyland of Greenpeace Europe urged governments to take swift action to cut carbon pollution.

On a positive note, renewables supplied 46.4 per cent of Europe’s electricity in 2023, with solar power reaching a record 12.5 per cent. However, the re-emergence of El Niño, last seen in 2024, suggests a similar impact of record heat is expected this year.