Southern Cardamom
Ridge-to-Reef Watershed

11°27'48.3"N 103°16'35.8"E

Protect the Southern Cardamom Watershed in Cambodia

This "Ridge to Reef" REDD+ project protects 497,000 hectares of coastal watershed in Cambodia. REDD+ is one of the most effective carbon offset protocols and stands for Reducing Emissions from Deforestation and forest Degradation program developed by the UNFCC.

The Southern Cardamom project contains 2000+ hectares of pristine mangrove forest and helps to protect and enhance a further 50,000+ hectares of mangroves (the largest contiguous mangrove forest ecosystem in the Gulf of Thailand) that directly surround the project boundary. Blue-carbon mangrove ecosystems are most effective when they are directly connected to a healthy watershed (more on that below). 

Project snapshot:

- With both VCS and CCBA certification, the project produces 3.5 million metric tons of carbon credits per year. 

- Home to myriad endangered species, like the Irrawaddy dolphin and Malaysian Sun Bear

- The project provides 200+ jobs, and education and healthcare benefits for 16,000+ people in the local community

The Southern Cardamom Project is designed to promote climate change mitigation and adaptation, maintain biodiversity and create alternative livelihoods under the United Nations REDD+ scheme. The project is part of the Indo-Burma Hotspot, one of the world’s 34 biodiversity hotspots, and is a critical watershed for the Gulf of Thailand, with a mosaic of habitats from dense evergreen and pine forests on its ridge tops to lowland melaleuca wetlands, flooded grasslands, lakes and coastal mangroves in its lowlands. 

These diverse habitats support at least 52 species of IUCN Threatened birds, mammals, and reptiles including the Siamese crocodile and one of Cambodia’s two viable populations of Asian elephant. The landscape has also been identified by the Government of Cambodia as an opportunity for tiger reintroduction.

A unique geographic setting

Ridge To Reef Watershed

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The latest Science

Mangroves sequester more carbon when connected to terrestrial forests

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Project Partner

Wildlife Alliance

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Supporting Communities

The Southern Cardamom Project directly supports the livelihoods of 12 villages with 515 families. The majority of the jobs are community based eco-tourism and forest guards. Women hold 63% of the management positions of the project.


From Poachers to Guides

The longer-term success of this project is ensured through the creation of meaningful jobs that are reliant on the forest being protected. Wildlife Alliance played helped to develop eco-tourism opportunities. Yes! - you can go on guided tour with a ranger and see the impact this project is having in person:

Chi Phat Eco-Village

Cardamom Tented Camp

Steung Areng Community-Based Eco-Tourism

VCS Certified

REDD+ Carbon Project

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Endangered Species

Irrawaddy Dolphins

Live in the bay and mangrove forest waterways of the project. These dolphins are highly intelligent and form "partnerships" with local fisherman.


Sustainable Development

This project provides long-term employment for the local community. This in turn drives other Sustainable Development benefits produced by the project.