Rick Tomen News Today

>> reporter: climate specialist rick tomen helped write the annual "arctic report card" the 16th released by the u.s. governments national oceanic and atmospheric administration. >> even if some records were broken, we did have in part of the arctic, the warmest fall, 2020. the theme is really continued disruption in the arctic. >> reporter: disruption, he says, to the lives of arctic animals and people. >> the changes have already occurred. they cant be undone in short order. >> reporter: even ...