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What is the List of World Heritage in Danger?

The World Heritage Committee monitors all World Heritage Area sites to make sure they don’t lose their unique and valuable characteristics.

If the Committee decides a site is under threat, it places it on the List of World Heritage in Danger to alert the international community and encourage corrective action.

The Committee is required to develop and adopt a program of corrective measures and ongoing monitoring, in consultation with local authorities. It can also choose to provide financial assistance from the World Heritage Fund.

UNESCO says the listing of a site is not a sanction, but a way to efficiently respond to specific conservation needs.

Why is the Great Barrier Reef under threat?

The Reef was named a natural World Heritage Area in 1981 for its ‘outstanding universal value’, which included its exceptional natural beauty and rare and endangered species. As the largest living structure on earth, the Reef is one of the richest and most complex natural ecosystems in the world.

But climate change, which causes temperatures to rise on our land and in our oceans, is the biggest threat to the future of the Great Barrier Reef and coral reefs around the world.

Marine heatwaves have triggered four mass coral bleaching events on the Great Barrier Reef in just six years, reducing shallow water coral reefs by as much as 50%.

Coral reefs can recover from bleaching over time, but only if temperatures drop and conditions return to normal.

Poor water quality is also a major threat to the Reef, caused largely by dissolved inorganic nitrogen, pesticides and sediment flowing off our land, into our waterways and out onto the Reef.

Extreme weather events such as cyclones, coral-eating crown-of-thorns starfish outbreaks and habitat loss also pose significant threats.

Science tells us we have less than 10 years to turn the tide on coral reef decline. To do this, we need urgent action on climate change to drastically reduce global emissions.

This is a huge task, but reducing emissions is no longer enough.

Action on climate change requires a dual effort to protect our reefs. Whilst the world works towards reducing greenhouse gas emissions, we must also build ecosystem resilience by rapidly developing and scaling up interventions to buy time for coral reefs and help them adapt to the warmer temperatures already caused by climate change.

What are we doing to save the Reef?

For more than 20 years, we’ve been tackling the biggest threats facing the Reef.

Our signature effort in response to climate change on the Reef is the Reef Restoration and Adaptation Program. The largest marine research program in the world, we’re working with over 300 researchers to design and prove solutions that help shield reefs from the impacts of climate change and fast track their recovery and regeneration.

We’ve already:

• Deployed over 8 million baby corals onto priority reefs
• Identified new genetic markers that indicate the corals most likely to survive heat stress and develop a new method to help the other corals be more heat tolerant
• Built prototypes of equipment to help cool and shade the Reef in the summer months
• Established 90 monitoring sites across the Reef so we can start to understand where to prioritise our response

Our next ambition is to:

• Breed heat-tolerant corals at a scale not yet seen anywhere in the world
• Establish a cryo bank of coral species from the Great Barrier Reef, in the hope we can develop a brood stock
• Complete in-water testing of our piloted cooling and shading techniques that reduce heat and light stress on corals
• We’re also behind the largest blue carbon program on the Reef and helping tourism operators achieve their ambition to be carbon neutral.

With our partners we’re finding and funding the best solutions for coral reefs and we’ll share them with reef managers around the world so that together, we can save coral reefs for our children and grandchildren.