Mostly increased radiation. There is some extra warming but it is very minor.

https://climate.nasa.gov/faq/15/is-the-ozone-hole-causing-climate-change/

You are still correct that his inventions have killed a fuck ton of people. Skin cancer is definitely deadly and lead causes a whole host of problems including death.

https://www.medicalnewstoday.com/articles/321203#Even-low-levels-of-lead-are-harmful