Illegal charcoal trade in Myanmar is responsible for the mangrove deforestation. Producing charcoal is illegal in Myanmar, but still trade is booming. Charcoal is sold to Thailand, where it is redistributed to China, Japan, South Korea, Malaysia and Indonesia by sea. Mangroves are one of the most efficient buffers against carbon emissions, proven to be four times more efficient than an equivalent area of rainforest.
Southeast Asia Globe: http://sea-globe.com/illegal-charcoal-trade-threatens-myanmars-remaining-mangroves/