Equivalent of Covid emissions drop needed every two years. WTF?

 https://www.theguardian.com/environment/2021/mar/03/global-lockdown-every-two-years-needed-to-meet-paris-co2-goals-study

https://e360.yale.edu/digest/emissions-drop-equivalent-to-covid-shutdowns-needed-every-two-years-to-limit-warming-to-2-degrees-c

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7498239/

https://www.nationalgeographic.com/science/article/why-covid-19-will-end-up-harming-the-environment