Scientists have identified a massive volume of freshwater floating like a cap on the Arctic Ocean, which they believe could suddenly flow into the North Atlantic and affect the warm Gulf Stream that keeps Britain mild in winter and cool in summer. Studies have shown that a surface layer of fresher water in the Arctic Ocean has increased in volume by about 20 per cent over the past two decades. Scientists believe this is the result of melting sea ice and an increased flow of rivers from Siberia and Canada carrying large volumes of meltwater from permafrost regions. Read More
