Study: 10 biggest climate disasters of 2021 cost $170 billion

10 of 2021's most extreme weather events were driven by climate change and caused a total of $170.3 billion in damages — with the deadly Hurricane Ida that struck the U.S. the most costly, per a new study.

Why it matters: Each of the 10 most destructive weather events caused over $1.5 billion damage, and Ida cost $65 billion, according to the study by U.K. charity Christian Aid.

"Most of these estimates are based only on insured losses, meaning the true financial costs are likely to be even higher," per a statement accompanying the study, published Monday....