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Blue Carbon Forests: Nature's Climate Shield
28 Jul
Summary
- Mangroves store four times more carbon than terrestrial forests.
- They prevent over US$65 billion in annual flood damage.
- Over half of the world's mangroves have been lost or degraded.

Mangrove forests, though small in land coverage, are exceptionally valuable ecosystems where land meets the sea. These salt-tolerant trees offer significant coastal protection by shielding shorelines from storms and serve as crucial nurseries for marine life. Their remarkable capacity to capture and store carbon has earned them the moniker "blue carbon forests."
Research indicates that mangrove ecosystems can sequester approximately four times more carbon compared to terrestrial forests. They are instrumental in mitigating climate change by storing vast amounts of carbon, not only in their biomass but also within waterlogged, oxygen-poor soils where organic matter can persist for centuries.
These vital forests provide substantial economic and protective benefits. They prevent over US$65 billion in flood damage annually and safeguard more than 15 million people from coastal flooding. Furthermore, mangroves act as natural barriers, dissipating wave energy and reducing the impact of storm surges.
Globally, over half of the world's mangrove ecosystems have been lost or degraded due to factors like coastal development, aquaculture, and pollution. Conserving existing mangroves is emphasized as more effective than restoration, as mature forests take decades to recover their full ecological functions.