The greening of Antarctica, while initially appearing positive, presents several alarming consequences for its fragile ecosystem. One of the most pressing concerns is the potential for invasive species to establish themselves in the region, disrupting the delicate balance and threatening native flora and fauna.
The sound of melting is all around us as we arrive on the Stubai glacier in Austria. Today the ice may lose a centimetre or two of depth, because the sun is shining and temperatures are well above zero. As we walk slowly from the ski lift, glaciologist Andrea Fischer warns us to watch out for holes and cracks in the icy mud.