The AR6 Climate Change 2021: The Physical Science Basis, is a result of eight years of hard work of hundreds of experts and peer-review studies. It represents the world’s full knowledge to date of the physical basis of climate change and found that human activity was “unequivocally” the cause of rapid changes to the climate, including sea level rises, melting polar ice and glaciers, heatwaves, floods, and droughts.
Human influence has warmed the climate at a rate unprecedented in at least the past 2000 years
