the full data for latitudes 64-90°n reveal the arctic is warmer today than in 1940.
the full data for latitudes 64-90°n reveal the arctic is warmer today than in 1940.
arctic:12
another definition of the arctic is the region where the average temperature for the warmest month (july) is below 10 °c (50 °f); the northernmost tree line roughly follows the isotherm at the boundary of this region.