Carbon score card: Emissions are down but big tasks ahead for Biden

For four years, America’s president didn’t rank climate change as a priority. So does that mean progress on clean energy stalled? Actually no. But experts say the U.S. does need to play catch-up.

While managing the pandemic has been the key priority for many governments in the past year, 2020 was also a year that saw the costliest weather and climate disasters across the United States in history. It was also one of the hottest years on record.

“We can no longer delay or do the bare minimum to...