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“Natural World Heritage sites are amongst the world’s most precious places, and we owe it to future generations to protect them,” said Bruno Oberle, ������ϲʿ�������ֳ�ֱ�� Director General. “The ������ϲʿ�������ֳ�ֱ�� World Heritage Outlook 3 reveals the damage climate change is wreaking on natural World Heritage, from shrinking glaciers to coral bleaching to increasingly frequent and severe fires and droughts. As the international community defines new objectives to conserve biodiversity, this report signals the urgency with which we must tackle environmental challenges together at the planetary scale.”

The builds on previous reports from 2014 and 2017 to track whether the conservation of the world’s 252 natural World Heritage sites is sufficient to protect them in the long term. It finds that climate change has overtaken invasive species as the top threat to natural World Heritage.

Among the 83 natural World Heritage sites now threatened by climate change is the Great Barrier Reef, where ocean warming, acidification and extreme weather have contributed to dramatic coral decline, and as a result decreasing populations of marine species. In the Cape Floral Region Protected Areas of South Africa, climate change has exacerbated the spread of invasive species, while the Pantanal Conservation Area of Brazil was badly damaged by the unprecedented 2019-2020 wildfires. In Kluane Lake, located in a World Heritage site in Canada and the USA, the rapidly melting Kaskawulsh Glacier has changed the river flow, depleting fish populations.

The ������ϲʿ�������ֳ�ֱ�� Outlook assesses the prospects for World Heritage site values – the unique features which have earned them their World Heritage status – based on threats, and how good protection and management is. It assesses 63% of sites as either “good” or “good with some concerns”, while 30% are of “significant concern” and 7% are “critical”. Half of the sites are found to have “effective” or “highly effective” protection and management, with the sustainability of the sites’ funding being the most common issue rated as a “serious concern”. The Outlook finds that 16 natural World Heritage sites have deteriorated since 2017, while only eight have improved.

The report also finds early evidence of the effects of the turmoil caused by the COVID-19 pandemic. While lower tourist numbers may ease pressure on some ecosystems, in more cases impacts appear negative. Closing sites to tourism causes significant revenue loss, and illegal activities are on the rise with fewer staff deployed to prevent them.

“The findings of the ������ϲʿ�������ֳ�ֱ�� World Heritage Outlook 3 point to a dire need for adequate resources to manage our irreplaceable natural areas,” said Peter Shadie, Director of ������ϲʿ�������ֳ�ֱ��’s World Heritage Programme. “Many natural World Heritage sites show that conservation can and does work for the greater good, and their achievements serve as models that can be replicated and scaled up elsewhere. We need more inspiring examples like Comoé National Park in Côte d’Ivoire to ensure a brighter future for nature’s finest.”

The outlook of Comoé National Park continues to improve and is now “good with some concerns” after moving from “critical” in 2014 to “significant concern” in 2017. Thanks to political stability, effective management and international support, populations of chimpanzees, elephants and buffalos are stable, and rare birds are starting to return.

• Download the report, ������ϲʿ�������ֳ�ֱ�� World Heritage Outlook 3, here:
• Access Conservation Outlook Assessments for 252 natural sites here:
• Register for a webinar on 8 December presenting results of the ������ϲʿ�������ֳ�ֱ�� World Heritage Outlook 3

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Tel: +41 (22) 999 0392, Mobile: +41 (79) 536 01 17, [email protected]

About ������ϲʿ�������ֳ�ֱ�� World Heritage Outlook
������ϲʿ�������ֳ�ֱ�� is the official advisor on nature to UNESCO’s World Heritage Committee. The ������ϲʿ�������ֳ�ֱ�� World Heritage Outlook is ������ϲʿ�������ֳ�ֱ��’s independent assessment of natural World Heritage, updated every three years since 2014. It does not constitute advice to the World Heritage Committee. The ������ϲʿ�������ֳ�ֱ�� World Heritage Outlook includes a report and online Conservation Outlook Assessments for every natural site on the World Heritage List. Before the ������ϲʿ�������ֳ�ֱ�� World Heritage Outlook, less than half of these sites were regularly tracked through joint monitoring by UNESCO and ������ϲʿ�������ֳ�ֱ��. The assessments are desk-based and involve hundreds of assessors and reviewers, including experts of ������ϲʿ�������ֳ�ֱ��’s World Commission on Protected Areas and Species Survival Commission, ������ϲʿ�������ֳ�ֱ�� Members, site managers, non-governmental organisations and government authorities.

Natural World Heritage sites are globally recognised as the world’s most important protected areas, inscribed on the UNESCO World Heritage List for their unique natural values, such as the scale of natural habitats, intactness of ecological processes, viability of populations of rare species, as well as exceptional natural beauty.