IUCN World Heritage Outlook 4

IUCN World Heritage Outlook 4 released at the IUCN Congress in Abu Dhabi

About IUCN World Heritage Outlook

• The IUCN World Heritage Outlook is a global assessment system developed by the International Union for Conservation of Nature (IUCN).
• Purpose: Evaluates the conservation status and management effectiveness of all natural World Heritage sites worldwide.
• Launched: 2014; updated every three years (2017, 2020, 2025).
• Objective: Monitor how effectively these globally significant ecosystems are being protected and managed over time.
• Scope: The 2025 edition assessed 252 natural World Heritage sites across continents.
• Assessment Parameters: Each site is evaluated on:
  • Current Conservation Outlook: Long-term likelihood of preserving site values.
  • Threats: Climate change, invasive species, disease, habitat loss, and tourism pressure.
  • Protection & Management: Policy strength, funding, community engagement.
  • State of Values: Health of species, ecosystems, and ecological processes.
• Categories of Outlook: The IUCN classifies each site under four categories – Good, Good with Some Concerns, Significant Concern, Critical.

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Key Findings of the IUCN Outlook 4

• Severe Risk: 43% of natural sites now face serious climate-related threats, surpassing all other pressures.
• Invasive Species: 30% of sites are affected by invasive alien species.
• Rising Diseases: Sites impacted by wildlife and plant diseases rose from 2% in 2020 to 9% in 2025.
• Declining Conservation Outlook: The proportion of sites with a positive conservation status dropped from 62% in 2020 to 57% in 2025.

Conservation Outlook in India

• Significant Concern Category: Sundarbans, Manas National Park, and Western Ghats.
• Good with Some Concerns: Great Himalayan National Park, Kaziranga, Keoladeo, Nanda Devi, and Valley of Flowers.
• Good: Only Khangchendzonga National Park retains a positive rating.

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