25°CSiberut Island
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Impact - Conservation

The ConservationCovenant

The Mentawai One programme exists to fund the permanent protection of Siberut Island. Industrial profits, a structural 1-5% conservation levy, and 1.18M tCO2e/yr in ring-fenced nature and blue carbon credits flow into the Mentawai Conservation Foundation.

190,500ha
Current national park extent
342,805ha
Target protected area (85%)
152,305ha
Net terrestrial addition
1.18MtCO2e/yr
Verified MCF nature & blue carbon
The Foundation

Mentawai Conservation Foundation

The Mentawai Conservation Foundation (MCF) is the dedicated, ring-fenced vehicle through which conservation funding and sovereign nature carbon assets are managed. It operates independently of the commercial industrial ecosystem under a nine-member Legacy Trust and scientific advisory committee. Alongside the 1.75% Torqua reserve and 1-5% B-Corp partner levy, MCF holds 100% of the carbon rights to Siberut's rainforest expansion (MCF-REDD-01) and marine sanctuary restoration (MCF-BLUE-02).

Land & Marine Protection

Expanding the National Park & Marine Sanctuary

The primary conservation objective expands Siberut National Park from 190,500 hectares (48% of the island) to 342,805 hectares (85%) while expanding Marine Protected Areas by +535,271 hectares (from 12% to 65% of Mentawai waters). An upfront US$250M 5-year intervention budget buys out 254,384 ha of commercial logging concessions (US$95M), rewilds 30,000 ha of degraded forest (US$45M), establishes marine sanctuaries (US$25M), and funds 650+ Indigenous uma rangers (US$85M) - generating US$566.7M (Base) to US$1,031.7M (Upside) in 20-year carbon cashflows (3.0x-5.6x payback on logging buyouts alone) alongside US$2.7B+ in long-term industrial covenant funding.

Biodiversity

Endemic Species & Primate Corridor Protection

Siberut hosts endemic primate species found nowhere else on Earth, all classified as vulnerable or endangered. The 15 km wildlife corridor and expanded park boundaries prevent habitat fragmentation, eliminate illegal logging within 10 years, and support population recovery for the Kloss's gibbon, Mentawai langur, Pagai macaque, and Siberut snub-nosed langur - monitored continuously via AI bioacoustics and satellite LiDAR.

Learn More at Mentawai Conservation

The Mentawai Conservation Foundation publishes detailed reporting on conservation progress, carbon credit verification, species monitoring, and community stewardship programmes.