Scientists say if all of Greenland’s vast ice sheet were to melt, global sea levels would rise by 7 meters (23 feet) , flooding most coastal developments around the world
Surveys of more than 400 species of birds in 1985 and then in 2017 have found that populations of almost all had declined, as many as eight had disappeared completely, and nearly all had moved to higher elevations in what scientists call “an escalator to extinction.”