A frozen land goes green as Earth warms – Nature.com

Parts of the treeless Arctic tundra have become greener as rising temperatures stimulate plant growth.
Low-resolution satellite imagery and some observations made on the ground have suggested that the Arctic tundra, an often-frozen landscape dotted with hardy small plants, has become greener since the 1980s. Now, Logan Berner at Northern Arizona University in Flagstaff and his colleagues have analysed high-resolution images from the Landsat Earth-observing satellites.
The team found that betwe…

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