What two weeks in Singapore taught us about blue carbon
Two weeks with the Blue Catalyst cohort, and a clearer view of what high-integrity blue carbon actually needs.
4 June 2026 · 4 min read
We spent two weeks in Singapore for the Blue Catalyst Challenge — run by Hatch Blue and WWF-Singapore with support from the Singapore Economic Development Board — alongside Ecosperity Week and Innovate4Climate. Ten ventures from seven countries, all working on the same hard problem: how to make blue carbon credible enough to scale.
It was the kind of fortnight that sharpens your thinking. A few things stayed with us.
Why blue carbon, why now
Mangroves, seagrass and tidal marshes store carbon at rates that put many forests to shame, and they protect the coastlines and communities that depend on them. The potential is enormous. So is the scrutiny — blue carbon is being asked to prove its integrity before it has fully scaled, which is exactly the right order to do it in.
Mangroves are the hardest place to prove anything
If you wanted to design the most difficult possible ecosystem to monitor, you might invent the mangrove. It floods and drains twice a day. Much of the carbon is below the waterline, in the soil and the roots. Sites are remote, access is by boat and on foot, and conditions punish equipment and people alike.
That difficulty is the whole reason a digital, at-source record matters here more than almost anywhere. When you cannot easily send an expert back to re-check, the evidence has to be captured right the first time, by the people already on the water, and corroborated by satellite and community record. Mangroves do not forgive partial, late, reconstructed data.
What the cohort had in common
Ten ventures, seven countries, very different businesses — and underneath, the same bottleneck. Almost none of the hard problems were about whether the science worked. They were about data: fragmented, hard to trust, expensive to verify. The thing everyone needed was not another methodology but shared infrastructure to make their evidence credible and interoperable.
That is a useful signal. When a diverse cohort converges on the same missing layer, the missing layer is the opportunity.
From Demo Day to the field
We closed with Demo Day on 22 May, and then did the more important thing: took the lessons home. Everything we sharpened in Singapore feeds directly into our mangrove restoration work in Senegal — the same hard tides, the same need to prove a small, community-led project to the same standard as a large one.
High-integrity blue carbon will not be won on a stage. It will be won plot by plot, tide by tide, in places that are hard to reach and harder to fake. That is the work we came back to.
See how Straatos turns hard-to-reach field reality into a verifiable record — including in mangroves.