Scientists warn that unless global warming is significantly reduced by 2050 the unique vegetation of the Arctic tundra will disappear.
Typical tree species are mountain trees, arctic poppies, and prostrate shrubs, such as pastures and birches, all adapted to tough local conditions: short summers and long, exhausting winters.
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In most scenarioes, less than six% of current tundra would be left by middle-century; a saving of close to 30% could only be made by means of ambitious greenhouse-gas-constriction measures.
Scientists believe all other, more adverse scenarios may lead to the extinction of the unique habitat.