The wetlands. 湿地

112. Water shortages could affect nearly two billion people...
     截止至2025年 水荒问题
113. Before 2025.
     会影响近二十亿人
114. Yet water is still abundant in unspoiled regions of the planet.
     然而 地球上一些处♥女♥地仍然水量丰沛
115. The wetlands.
     湿地
116. These wetlands are crucial to all life on earth.
     这些湿地对地球上的生命至关重要
117. They represent six percent of the planet.
     它们占据地球表面♥积♥的6％
118. Marshes are sponges that regulate the flow of water.
     沼泽是调节水流的海绵

来自《家园 第二部分 Home Part2》第 115 行