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Fujitsu is developing underwater drones to measure carbon absorption in coastal ecosystems, aiming to enhance the blue carbon credit market. These drones, capable of scanning the ocean floor, identify plant species that sequester CO2, aiding in the estimation of carbon capture.

Blue carbon projects can store significantly more carbon than tropical forests but face challenges such as high operating costs and measurement uncertainties. Fujitsu's drone successfully scanned a habitat restoration project in Uwajima, Japan, generating blue carbon credits.

The carbon market peaked in 2022 but aims to grow from 3.1 million tons of CO2 credits to 40.5 million tons by midcentury. Despite their potential, blue carbon habitats are fragile and vulnerable to climate change.

Investor confidence remains a major barrier, although technologies like underwater drones may reduce measurement risks. WWF Indonesia collaborates with Kuva Space Oy to improve ecosystem mapping, while Ulysses Maritime Technologies Inc. seeks to lower restoration costs using submersibles.