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Flooding Wetlands Could Be the Next Big Carbon Capture Hack
The Nywaigi people in Australia have discovered a way to sequester carbon, boost coastal biodiversity, and create jobs.
The reason was an earth wall—known as a bund, built more than half a century ago where the estuary of the local river meets the sea—that blocked off incoming seawater to transform the saltwater wetlands into a ponded freshwater pasture for cattle farming. When in their natural state, coastal wetland environments like those at Mungalla store carbon for much longer and more efficiently than terrestrial ecosystems, and regenerating them also creates habitats for marine species that are a vital food source for many communities. But while questions remain about the best way to get the right amount of salt water back into these lands, lessons learned from Mungalla will inform the rehabilitation of other similarly strangled wetlands along the Great Barrier Reef coastline.
Or read this on Wired