You don't mention the name of the batting you're talking about (and I don't randomly click on links provided) so I don't know if this is a duplicate. Quilters Dream, makers of some of the very best batting currently available, in my opinion, also makes a batting from recycled plastic bottles. It's called Quilters Dream Green. I haven't used it yet, but I have a sample and it seems quite nice.
http://www.quiltersdreambatting.com/dream-green.htm
As for your husband's efforts to stop the use of plastic in all it's shapes and forms, it ain't gonna happen so the best we can do is try to reuse what we can and be considerate in our disposal of the rest.