A US navy aircraft made an emergency landing on a small island off Quezon province, east of Manila, due to so-called engine trouble, local police said Sunday. According to the police, the aircraft was ...

豪华的度假村、原始的海滩和郁郁葱葱的森林，这些都是深受人们喜爱的热带岛屿的形象。但在这幅恬静的画面背后，除了海平面上升带来的威胁之外，一场土地危机正在悄然上演。 土地退化现象多发生在非洲和中亚的干旱地区。如今，热带岛屿国家也出现了这种现象。当土地发生退化时，土壤就会失去肥力、生物多样性和整体健康，能导致粮食短缺。