Sunday, April 23, 2017 11:30 a.m. to 12:30 p.m. Location: Unitarian Universalist Society of Bangor, 120 Park Street, Bangor, Maine For more information: (207) 947-7009; uubangor.org Tuvalu, a group of low-lying islands in the Pacific Ocean, is under extreme threat from rising sea levels. Frequent storm surges and increasing salinization …