Here's some information about the author of the report:
Indur M. Goklany is an independent scholar and author. He was a member of the US delegation that established the IPCC and helped develop its First Assessment Report. He subsequently served as a US delegate to the IPCC, and as an IPCC reviewer.
Here are the conclusions to his 2021 report:
Read the whole thing.
While climate may have changed for the warmer:
• Most extreme weather phenomena have not become more extreme, more deadly, or more destructive.
• Empirical evidence directly contradicts claims that increased carbon dioxide has reduced human wellbeing. In fact, human wellbeing has never been higher.
• Whatever detrimental effects warming and higher carbon dioxide may have had on terrestrial species and ecosystems, they have been swamped by the contribution of fossil fuels to increased biological productivity. This has halted, and turned around, reductions in habitat loss.