Why the broad estimates? Some researchers include more (or less) tundra or shrubland in their assessments. Broadly defined, grasslands are "areas dominated by grassy vegetation and maintained by ...
Scientists take the first step towards engineering mammoth-like GM elephants to populate Arctic and slow global warming ...
Some of the world’s main biomes include rainforest, desert, savannah, grassland, woodland and tundra. Each biome has characteristics that make it unique, for example Alaska is a type of tundra.