Is a message in a bottle pollution if the bottle is glass?

Question

but does it harm the enviroment? i know sea glass doen't...

Answer 1

No glass does not harm the environment if the bottle remains intact it has no harmful em missions or releases of toxic substances but it is garbage until someone removes it from the water and recycles it,also if it gets broken it the water it is harmful for the sharp pieces that can cut you or any animal

Answer 2

Yes, its still trash. Glass bottles are not a natural item.