



Poland's $2.6 billion East Shield border fortification project, meant to deter Belarus and Russia along a 700-km frontier, has run into resistance from scientists who warned that concrete barriers and drainage would devastate the ancient Białowieża Forest, home to 900 European bison, lynx, wolves and thousands of fungi species.
Researcher Michal Żmihorski proposed an alternative called WarWilding, restoring wetlands and carr forest so dense with water and dead wood that tanks cannot pass, and the Polish Ministry of Defense formally adopted the approach in 2025. In May 2026 the climate ministry committed roughly $120 million to rewet peat bogs and marshes along the Russian and Belarusian borders, citing both defense and wildfire resilience.
Critics, including a University of Warsaw yearbook, call the broader East Shield concept an anachronism in an age of drones and missiles, while military officials insist infantry will still need to cross on foot. Little has changed on the ground so far beyond the funding announcement.
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