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Arena for Journalism in Europe

green to grey

Arena’s ‘Green to Grey’ project reveals scale of Europe’s nature loss

October 1, 2025October 1, 2025 by Eliz Mizon
The Green to Grey logo on a background grid of satellite images of highly built-up 'grey' areas. The website URL greentogrey.eu and the hashtag are beneath the main logo. At the bottom is the Arena logo, stating this is a collaborative project of Arena for Journalism in Europe, and at the very bottom is a credit to Pleides, CNES and Airbus for the background images.

Our collaboration with 11 newsrooms shows Europe’s undeveloped land is disappearing up to 1.5 times faster than previously thought, equivalent to 600 football pitches per day.

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Categories Climate, Climate, Networks, News Tags #greentogrey, Arena journalism, climate, climate network, cross-border collaboration, green to grey, investigation
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