Part of being more sustainable is reusing and sometimes re-purposing the things we already have. Your options on what you can do with something increase greatly when you can refashion it into something else and knowing what to use to glue things together will help with that. Check out This to That for your answers.
This site is a bit of fun that does one simple thing. Tells you what to use if you want to glue two materials together. That’s it. First you choose what the first material is made from from the selected list. Is it wood? Plastic? Fabric? Glass? Then you repeat it and hit the search button.
The site spits out a few easily sourced options for adhesive. It also tells you what your end result is likely to be like so that you can choose a finish that is closer to what you’re looking for. A very handy site for crafty folks.