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

Wave flume experiments reveal unexpected wave behaviour

Project Halo researchers are testing a floating mangrove wetland in the three-metre wave flume at the Water Research Laboratory (WRL), UNSW Sydney, as part of a two-stage experimental programme invest ...

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Project Halo at the Pacific Innovation Forum for Climate and Environment (PIFCE) 2026

Project Halo was proud to participate in the Pacific Innovation Forum for Climate and Environment (PIFCE) in Port Vila, Vanuatu, from 1–4 July 2026, where we showcased our work on collaborative natu ...

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Project Halo Co-Lead Explores Pacific Air Quality and Mangrove Resilience in Solomon Islands

Project Halo Co-lead Associate Professor Andrew Dansie recently took a three-month sabbatical, which included time in the Western Province, Solomon Islands. While there he worked on expanding Pacifi ...

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Community Engagement: Raviravi and Votua Village Consultations

Explore the consultation approaches undertaken by Project Halo in Raviravi and Votua village, located in Ba Province, Viti Levu ...

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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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