Arctic Warming Twice As Fast As Rest Of Planet
The Arctic is warming twice as fast as the rest of the planet, thanks in part to something called feedback.By Sebastian Martinez | December 18, 2014
NOAA has put out its annual Arctic Report Card, and the news is startling — Arctic air is warming twice as fast as the rest of the planet. (Video via NASA)
Part of the explanation is as the Arctic warms, it exposes itself to more factors that speed up warming, which is called feedback.
For example, the more the Arctic warms, the more snow and ice melts, and the more water is exposed. Water absorbs more energy from the sun than ice and snow, which reflect it, and therefore amplifies the warming. (Video via NASA)