Individuals subscribe to the listserv by sending an e-mail message to the listserv owner.
To participate in the dialogue, a member posts a question to the list address which is sent out to all listserv members. Anyone with an answer to the question posts his response. P2 Policy Forum for discussing pollution prevention policy. Currently, this is a private, unmoderated, closed listserv with 385 pollution prevention professionals subscribed. P2REG Forum for discussing regulatory issues surrounding pollution prevention technologies and policies.