scientists often describe the Arctic as the canary in the coal

The area surrounding the North Pole may seem like a frozen and desolate environment where nothing ever changes.But it is actually a complex and finely balanced natural system,and its extreme location makes it vulnerable to feedback processes that can magnify even tiny changes in the atmosphere.In fact, scientists often describe the Arctic as the canary in the coal mine when it comes to predicting the impact of climate change.One major type of climate feedback involves reflectivity.