Domestic cats should be illegal anywhere outside of a major city. It’s such low hanging fruit in reducing loss of small native animals, with virtually no downside.
Look at CO2 footprint of pets and your toenails will curl.
E.g. https://newsroom.ucla.edu/releases/the-truth-about-cats-and-...
That also means if more then 1 in 50 people decide to have a pet instead of another child it's a good trade.
[1] https://klima.com/blog/how-to-cut-your-pet-carbon-footprint-...
[2] https://www.nature.org/en-us/get-involved/how-to-help/carbon....