Harnessing the power of nature-based solutions

Coastal lands and waters across the Pacific are under intense pressures. Project Halo is working alongside local communities to build a new future through nature-based solutions.

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Why Project Halo?

Mangroves are a type of halophyte — a salt-loving plant that grows in or near tidal waters. As tropical and subtropical ecosystems, mangrove forests create a green ring (a halo!) that encircles the earth, delivering benefits for people and the planet.

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The Pacific is currently not on track to meet any of the 17 United Nations Sustainable Development Goals by 2030.

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Our research

The challenge

Globally, coastal communities are impacted by biodiversity loss and climate change. These joint challenges are profoundly impacting the Oceania region. How can national and international goals to address societal, environmental, and carbon reduction needs be achieved hand-in-hand with community empowerment?

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The solution

We believe that nature-based solutions, such as mangroves, have the capacity to provide coastal protection services while also increasing biodiversity and supporting communities. To achieve this we are implementing large-scale mangrove restoration projects while also integrating mangroves into maritime infrastructure.

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The benefits

By combining biophysical, social, and policy research with on-ground engineering, Project Halo will showcase the world's best approaches for nature-based solutions. Our evidence-based approach ensures that the outcomes of Project Halo are transparent, scaleable, and encourage collaboration.

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Latest news

PhD Fieldwork Diaries # 3 – Vanua Levu: Part 3

March 4th was all about diving into the data grind. Mornings? Straight-up transcribing those Focus Group Discussions (FGDs). You know, turning hours of chatter into neat notes that actually make sense ...

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Grey mangrove seedling/sapling traits across NSW estuaries.

In New South Wales, mangrove forests are dominated by Avicennia Marina (the grey mangrove). Mangroves are increasingly recognised for their capacity to stabilise shorelines, sequester carbon, and atte ...

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PhD Fieldwork Diaries #2 – Vanua Levu: Part 2

Transition to Wainikoro Boca (February 27th) On February 27th, after fruitful days of surveys and focus groups in Wavuwavu and Vunivutu, our team bid a heartfelt goodbye to our wonderful hosts and tra ...

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Coastlab 2026: Exploring Coastal Engineering and Nature-Based Solutions

In February, I attended Coastlab 2026, a conference on physical modelling in coastal engineering, hosted by IIT Madras in Chennai, India, together with former UNSW honours student Elena Aruldoss, who ...

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PhD Fieldwork Diaries #2 – Vanua Levu: Part 1

My Vanua Levu Fieldwork Journey My PhD is investigating how sustainable mangrove practices can strengthen coastal resilience by integrating mangrove ecosystem services, community leadership, and cultu ...

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PhD Fieldwork Diaries #1 – Raviravi

In March 2026, I undertook my first fieldwork for PhD data collection at Raviravi, marking an important milestone in my research journey. Our team departed Suva on Sunday 15th March, travelling to Lau ...

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