Out on patrol, Awapu and his team use the drones to find and document areas of deforestation.

在外出巡逻时，Awapu和他的团队使用无人机寻找和记录遭到砍伐的森林区域。

Spanish-American marine ecologist and conservationist Enric Sala has spent the past 12 years surveying and documenting the ocean's last wilderness areas as a National Geographic explorer in residence.

过去12年，西班牙裔美国海洋生态学家，自然资源保护者恩里克·萨拉一直在以《国家地理》常驻探险家的身份调查、记录海洋最后的荒野。