| Sea Ice | ||
| Extent: Overall spring reduction in Nordic seas by 33% | ||
| Thickness: Thinning average of 40% since 1958 | ||
| Snow Cover | ||
| Snow cover has declined by 10% since the late 1960s | ||
| Land Ice | ||
| European Alps have lost about 30 – 40% of their surface area and half their volume since 1850 | ||
| The Greenland ice sheet may potentially contribute 6,55 metres to sea level rise | ||
| Permafrost | |
| Permafrost has warmed up by 2°C over the past few decades | |
| Temperature | |
| Arctic temperatures have increased at almost twice the rate as that of the rest of the world | |
| Precipitation | |
| Precipitation has increased by 8% across the Arctic over the past 100 years, but less comes as snow | |
