Thank you so much for these ideas from web sites that you have found, Fiona. It is inspiring to let our creativity take over, and the more we share the more confident we become.
https://friendsoftheearth.uk/natural-resources/homemade-cleaning-products-5-fantastic-recipes
https://keeperofthehome.org/category/homemade-diy/
https://friendsoftheearth.uk/plastics/eco-parties-plastic-free-ideas
However Fiona also mentions that research seems to be necessary for everything, as this web site shows
The Haven Eco-Church 