Here at sea level, the most northerly trees in Europe are moving upslope, gobbling up the tundra as they go.

在这里的海平，欧洲最北端的树木正在往挪，边边吞噬着苔原。

In the Andes, spectacled bears' cloud forests risk ascending upslope into oblivion due to a warming climate.

在安第斯山脉，由变暖，眼镜熊的云林正临着坡而被遗忘的风险。