• Tundra greenness 

      Epstein, H.; Bhatt, U.S.; Raynolds, M.K.; Walker, D.A.; Forbes, B.C.; Phoenix, G.K.; Bjerke, Jarle W.; Tømmervik, Hans; Karlsen, Stein Rune; Myneni, R.; Park, T.; Goetz, S.; Jia, G. (Peer reviewed, 2019)