In article , Java Jive
writes

Unless it's fed by gravity, like the Chatsworth one that was
mentioned, and does not use mains water that is thereby wasted, which
instead you could have drunk or used to shower, it is, as you say, not
strictly necessary, and is consuming CO2.


Isn't consuming CO2 meant to be a GOOD THING? ;-)

We need more consumption of CO2!

Carbon Capture is the way to go and it is the ONLY way that Britain will
make a significant difference.
--
Kennedy
Yes, Socrates himself is particularly missed;
A lovely little thinker, but a bugger when he's ****ed.
Python Philosophers (replace 'nospam' with 'kennedym' when replying)