Article link is returning a 403 so haven't read it; Does this release carbon in the form of CO₂? If so it's better to leave it as-is, or recycle it into other p

Article link is returning a 403 so haven't read it; Does this release carbon in the form of CO₂? If so it's better to leave it as-is, or recycle it into other products in ways that don't release carbon.