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Tsunami-Blocking Mangroves Lure Carbon Investors: Southeast Asia

Replanted mangrove trees in Southeast Asia are getting credit for protecting against deadly tsunamis and typhoons such as Haiyan in the Philippines and cutting greenhouse gas emissions.

Mangrove regeneration in Northern Samar, about 100 miles (160 kilometers) north of the worst-hit Philippine city of Tacloban, helped minimize damage from the Nov. 8 storm, according to the Trowel Development Foundation, which oversaw the plantings. On Indonesia’s Sumatra island, where a 2004 tsunami killed 170,000 residents, companies including Danone and Credit Agricole SA have put up about $4 million in exchange for tradable carbon offsets tied to the reforestation.