The talc used in traditional/standard clay pigeons is bio-degradable and does not harm the environment. ... An average clay pigeon takes about two years for about 95% of the dissolution. If the weather elements are harsh, then the dissolution process will speed up, but only a biodegradable one will dissolve completely.

How long does it take for clay targets to dissolve?

Standard clay targets will not degrade. The paint will wear off but the pitch will still be there. White Flyer makes a biodegradeable target which will dissapear in about 3 years those are white in colro. However, again, standard targets will stay where they land forever (or until they are cleaned up).

Do clay targets biodegrade?

Modern clay targets aren't clay. Most include ingredients, including a petroleum-based binder, that are not environmentally friendly. But at least two companies that sell clay targets are marketing, along with more traditional offerings, a product they describe as biodegradable.