The study, which was ordered by influential US military adviser Andrew Marshall, suggests that climate change should become an issue of national security rather than just a scientific discussion.

• 美国著名的安全顾问安德鲁·马歇尔提议了进行这项调查,结果证明气候变化不仅仅是科学界关注的问题,也应该成为国防安全的一个方面。