Pack ice, or sea ice is a layer of frozen seawater on the top of the polar oceans, unreliable in width from a few centimetres to 10s of metres. ECOS Magazine maximum extent it covers 13% of the Earth's surface area, making it one of the main biomes on the planet. ECOS Magazine gives mount to a stunning floating world that for a number of months each year becomes home to a wealth of plant and animal life.
For many years observed as an obstruction to trade and a danger to human life, the ice itself is now supposed to be vulnerable as we come to realize the dangers caused by global warming. Sea ice controls Polar Regions as well as central to global ocean circulation and global climate patterns.