If you want to witness climate change, just head north - and keep going until you run out of globe.
如果你想见证气候的变迁，向北走吧，直到走向世界的尽头。
Putting these together has often proved difficult to the point of impossible: witness the UN climate talks.
要把这些事都促成通常很难，甚至可谓不可能：看看UN的气候谈判便知。
On this special night, the world will witness some of the most recognisable landmarks on the planet dim the lights in support of decisive action on climate change.
在这个特殊的夜晚，世界将看到一些最知名的地标在这个星球上昏暗的灯光，以支持采取果断行动的气候变化。
On this special night, the world will witness some of the most recognisable landmarks on the planet dim the lights in support of decisive action on climate change.
在这个特殊的夜晚，世界将看到一些最知名的地标在这个星球上昏暗的灯光，以支持采取果断行动的气候变化。
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