One thing we could all do (but too many don’t!) is to stop flushing wet wipes, and the sort of fat that’s going to solidify and along with wet wipes etc. cause massive fatbergs in the sewers, which must take so much time and money to sort out.
I think part of that problem is that people don't realise that the water they pour down the sink, which often does contain fat, goes to same pipes as the stuff that goes down the toilet.
Because we have our 'thing' we try not to put anything but the very vestiges of oil and fats down the drains. Excess cooking fat is wiped off dishes and pans with a kitchen towel and binned; used cooking oil is saved for lighting bonfires...
Putting wet wipes, panty liners, tampons, condoms etc. down the toilet is inexcusable.