Hi Simeon and Clancy,
Thank you for your questions.
I believe you’re both correct in that water is used for the management of cooking fires. I understand that there may be some confusion with the wording of that sentence. It may be helpful to think of it as “how can we reduce the need for burning wood and as an indirect result, reduce the water needed to manage these fires.”
I hope this helps!
Kind regards,
Evelyn