Coastal blue carbon ecosystems - mangroves, seagrass meadows, tidal salt marshes - mitigate the effects of climate change by sequestering carbon dioxide (CO₂) from the atmosphere and ocean.

Discover the first report focusing on blue carbon assets across the UNESCO Marine World Heritage sites, revealing their outsized role as custodians of globally relevant blue carbon resources, including the largest areas of seagrass and mangroves in the ocean.