3:01 For several weeks, the whine of chainsaws and rumble of woodchippers have been heard around the shores of Pearl Harbor. Work crews have been clearing invasive mangroves from coastal streams that empty into Hawaii’s most famous body of water. Amanda Millin, a field crew manager overseeing a team of five, says red mangrove is choking the Pearl Harbor ecosystem. “Everywhere else in the tropics, all around the world, mangrove sequesters carbon, creates biodiversity, it’s erosion control but here in Hawaii mangrove is invasive and it takes over,” she explains. Millin and her crew ...