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The Laptev Sea still without ice.

The Laptev Sea is one of the main sources of ice in the Arctic, which forms there almost all year round. This year, for the first time in the history of measurements, the process has not yet started. High temperatures in the north of Russia and mild Atlantic currents are to blame. So far, this part of the Arctic Ocean has already been frozen by the end of October every year.

This year was particularly disastrous for the Arctic as a whole, with an unprecedented heatwave causing Siberia’s temperatures to rise to 10 Celsius degree above average in June. Now that winter is approaching, the impact of global warming is even more visible. The Laptev Sea, which was always frozen at this time of year, is now ice-free. The delay is unprecedented.