Nearly 90 percent of UNESCO-designated sites are facing rising environmental stress, with climate change, wildfires, and human activities posing serious risks to ecosystems and biodiversity worldwide.

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• A new report by UNESCO reveals that nearly 90 percent of protected sites are experiencing high environmental stress due to increasing ecological pressures.
• Climate change impacts have been recorded in 98 percent of sites, including extreme heat, glacier loss, ocean acidification, and a rise in natural disasters across regions.
• Wildfires have emerged as the leading driver of forest transformation in World Heritage areas, surpassing logging, agriculture expansion, and infrastructure development in environmental impact.
• Since 2000, more than 300,000 square kilometres of tree cover has been lost, while invasive species have affected over 80 percent of these globally protected sites.
• The report warns that over one quarter of these sites could reach critical tipping points by 2050, leading to irreversible ecological damage and potential ecosystem collapse.
• Glaciers in these regions have lost significant ice mass, while marine ecosystems are facing increasing acidity, threatening coral reefs and ocean biodiversity.
• Despite challenges, UNESCO sites continue to act as biodiversity strongholds, supporting over 60 percent of global species and stabilizing wildlife populations compared to global decline trends.
• These sites also play a major economic and environmental role, supporting livelihoods of millions, absorbing carbon emissions, and contributing significantly to global tourism and sustainable development.