I mean if you had bothered to open the article, it's in the 2nd paragraph:
The most comprehensive study of global climate inequality ever undertaken shows that this elite group, made up of 77 million people including billionaires, millionaires and those paid more than US$140,000 (£112,500) a year
more than US$140,000 (£112,500) a year, accounted for 16% of all CO2 emissions in 2019 – enough to cause more than a million excess deaths due to heat, according to the report.
I mean if you had bothered to open the article, it's in the 2nd paragraph:
Why do these articles always mix up wealth and income?
You needed 800k$ in 2018 to be part of the 1% wealthiest.
https://www.cnbc.com/2018/11/01/how-much-money-you-need-to-be-part-of-the-1-percent-worldwide.html
I did, that continues as:
Which is not the same as the headline.
Top 1% does 16%, bottom 66% does 16%, middle 33% does 68%.
On a per-capita basis, the top 1% is 8x worse than the middle 33% and 66x worse than the bottom 66%.