The top 10 most significant world events of 2021:

1. COVID-19 Vaccines Arrive, but Challenges Persist The COVID-19 vaccines developed in record time were widely distributed, saving millions of lives. However, vaccine hesitancy, unequal access, and new variants like Delta and Omicron posed significant challenges. By year-end, over 5 million people globally and 800,000 Americans had died from COVID-19. 2. Countries Fail the Climate […]