Story highlights This page includes the show TranscriptThe Weekly Newsquiz tests your knowledge of events in the newsDecember 18, 2020On our last show of 2020, we're taking a look back at some of the biggest events to make headlines this year. Afterward, we're giving you a bit of music trivia before exploring the scientific definition of a white Christmas. CNN 10 is grateful to have served you throughout this challenging year! What agency of the U.S. government gave emergency use authorization to Pfizer's coronavirus vaccine before it was accepted by the CDC? What is the one-term for the process by which fertile land becomes infertile desert land -- and that can be caused by drought, deforestation, or poor farmland management?

Source: CNN December 17, 2020 21:46 UTC