According to Australia's News.com, climate change is leading to "too many unwanted moggies." What are moggies, you ask? It’s British for “kitty cats.”
Climate change has lengthened the moggie breeding season in Australia, from October through May (that's summer down under), leading to "record numbers" of cats being born. On the one hand, this means pet shelters will be overburdened with unwanted felines. On the other hand, this is a perfect time to enact your plan of swimming Scrooge McDuck style in a pool full of kitties.
Climate change cat-astrophe: Pet shelters face hairy holiday season, News.com.au.