Melting Permafrost - should I be worried?

Just before getting started, I found the video I really wanted to share with you guys before, but ended up using a replacement. It's from the fantastic series 'Earth: The Power of the Planet', presented by the brilliant Prof Iain Stewart, a Geologist at the University of Plymouth. He's like Geology's answer to Brian Cox! If you missed the series, I'd encourage you to have a catch-up. Interestingly, this video also features the same Dr Walter as the previous video..

Although it's the easiest and most spectacular way of showing the processes which are happening, it's not the lakes that are causing the most concern. Phrases like 'ticking time bomb' and 'unstoppable warming' are used

Aurora Borealis

As seen so far in the blog, the sun's activities cause and contribute to noticeable impacts upon the climate in the Arctic, dominated by the Milankovitch cycles of Eccentricity, Tilt and Precession. Solar activity has more visible and short term effects in the Arctic, however, including the 'Aurora Borealis' or the Northern Lights. Click 'Read More' for videos, links and explanations...