We are witnesses to one of the most striking examples of climate change in the Arctic.

For Inuit, warming is likely to disrupt or even destroy their hunting and food-sharing culture as reduced sea ice causes the animals on which they depend to decline, become less accessible, and possibly become extinct.

When a glacier recedes, it means that it is diminishing, which is an obvious sign of global warming.

Greenland is the canary in a mine shaft alerting us. In the U.S., global warming is a tomorrow issue. ... For us working here, it hits you like a ton of bricks when you see it.

Greenland was perceived as this huge solid place that would never melt. The evidence is now so strong that the scientific community is convinced that global warming is the cause.

We can't find any more concrete example of Arctic warming, which is twice as fast as in any other part of the world.