The ongoing pandemic and a rocky White House transition overshadowed many other pressing events in the United States and abroad.
Nevertheless, the threats of a changing planet persisted.
2021 included a dire report from the Intergovernmental Panel On Climate Change, a new round of international climate negotiations and climate-fueled fires, floods and hurricanes.
Lisa is a Climate Desk Reporter with the New York Times, and Justin is a climate reporter with TIME magazine.
Given their areas of coverage, the conversation focused on the United States.