Earth's climatesystem is constantly trying to strike a balance between the cooling and warming effects of clouds.
地球的气候系统不断试图在云层的降温和变暖效应之间取得平衡。
2
The Arctic sea ice holds a central position in the Earth's climatesystem and it's deteriorating faster than expected.
北极海冰在地球气候系统中占据中心位置，并且它恶化的速度比预期的更快。
3
In addition to the internal variability of the global climatesystem itself, there is the added factor of external influences, such as volcanoes and solar activity.