Kiribati is not the verdant paradise that you might imagine when you think of the Pacific—all but one of Kiribati’s 33 islands are sandy, flat coral atolls that sit less than three meters above sea level, making them particularly vulnerable to sea-level rise. Salt water has already infiltrated many of the drinking water wells and in some villages. Eritai Kateibwi learned how to grow vegetables in raised hydroponic boxes and introduced the method to his community.