Arctic waterfalls sprout from the Nordaustlandet ice cap as it gushes high volumes of meltwater – a striking reminder of this icy ecosystem's fragility. Even though this image was taken just 600 miles from the North Pole, the temperature hovered in the high 60's (ºF). Thanks to climate change, the Arctic could be completely devoid of sea ice during the summer months within the next 10 to 20 years.