Nurses can initiate a petition through the following steps: 1. Identify the Issue: Clearly define the problem that needs to be addressed. 2. Gather Information: Collect data and evidence to support the need for change. 3. Draft the Petition: Write a clear and concise statement of what is being requested. 4. Seek Support: Gather signatures from colleagues and other stakeholders. 5. Submit the Petition: Present the petition to the relevant authorities or organizations.