Blue forests are under threat. A quiet revolution could save them

Mangroves can store up six times more carbon than an area equal to the Amazon rainforest. However, they are rapidly declining, over the past century their population has been reduced by 30 to 50 percent. One nonprofit, Blue Ventures, is working with local communities to regenerate fisheries, which helps the mangroves. They're also helping local communities to manage their mangroves.

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