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Global warming and arctic ice

In a survey conducted by the Japan Agency for Marine-Earth Science and Technology and the Japan Aerospace Exploration Agency was revealed that the Arctic ice has been melting at a far quicker rate than anticipated. Previously United Nations claimed that the ice would not be reached by 2040 maybe 2050 but the measurements made by Japanese proved that the ice is already melting.

Colorado center for Astrodynamics also proved that the ice is melting faster than ever before. This situation has caused the ice in Canada and Alaska to become brittle and it easily breaks/melts away.

In 2007 (August) the Northwest Passage had almost no floating ice which was first time since the records were started in 1972.

This is further proof that the ice is melting. There are three methods to measure sea ice:microwave scanners on satellites, buoys and observation platforms.

The pace of Arctic ice melt down is rapid and the scientists are concerned about rising sea levels, diminished habitats for polar bears and other animals and an impending rush for fossil fuels in the region.  Even the pollution caused by ships coming through Northwest Passage and the Northeast Passage (which runs by Siberia) is a concern as well.

Ice re-forms during winter, but due to warmer waters the amount of re-formed ice is decreasing. Ice that was previously considered “permanent” is now melting. That leaves an ever-decreasing base of ice at the beginning of each melting season.

The sea ice is very important because it cools the Earth down.