Why countries are tearing down hundreds of dams

illuminem summarises for you the essential news of the day, reviewed by our editorial team. Read the full piece on CNN or enjoy below:

🗞️ Driving the news: Countries across Europe are accelerating dam removal projects, with a record 603 barriers dismantled in 2025 alone
• These removals, ranging from hydropower dams to small weirs and culverts, aim to restore river connectivity, improve fish migration, and revive aquatic ecosystems disrupted for decades

🔭 The context: Many European rivers remain fragmented, with over 1.2 million barriers including obsolete dams and sluices
• Aging infrastructure, extreme weather, and rising awareness of ecological consequences have prompted coordinated efforts under initiatives like Dam Removal Europe and the EU Nature Restoration Regulation
• Projects now span Finland, France, Spain, Sweden, and Belgium, alongside smaller efforts in southern and eastern Europe

🌍 Why it matters for the planet: Dam removals directly mitigate environmental risks
• Reconnecting rivers reduces water temperature, restores sediment flow, and lowers methane emissions from stagnant reservoirs
• Healthy river ecosystems support biodiversity, protect freshwater species, and enhance resilience to floods and droughts, contributing to climate adaptation and broader ecological balance

⏭️ What’s next: Experts emphasize that scaling up restoration requires three elements: restoring entire river stretches strategically, engaging local communities, and maintaining long-term connectivity to ensure lasting ecological benefits

💬 One quote: “Once you take a barrier out, the river takes over. It’s one action that has an immediate effect and a long-term benefit.” — Angela Ortigara, WWF Netherlands

📈 One stat: The 2025 removals reconnected over 3,740 km (2,324 miles) of European rivers, surpassing the previous annual record by 11%

Track the real‑world impact behind the sustainability headlines. Illuminem’s Data Hub™ offers transparent performance data and climate targets of companies driving the transition.

Click for more news covering the latest on nature