climate scientists from around the world have been trying to figure out what might have been happening.来自世界各地的气候学家 试图找出到底发生了什么

around the world世界各地,=all over the world

The Jewish nation is scattered around the world.

犹太民族散居于世界各地。

Television stations around the world are linked by satellite.

全世界的电视台通过卫星联系一起。

figure out算出；想出；解决

I can't figure out why he quit his job.

我琢磨不透他为什么要辞掉工作。

I can't figure out why he is absent.

我弄不明白他为什么缺席。

try to设法, 尽力, 试图

Do not try to cover a mistake.

不要试图掩盖错误。

I will try to save as much as I can.

我会设法尽可能多储蓄。