Here are some templates you can use to lobby your councillor via Twitter or Facebook:
Dear Cllr (name of councillor)
I support the fossil fuel divestment (POSTCODE)
Information at divestwmpf.org
If using Twitter to lobby your councillor, please don’t forget to include their twitter handle so that they see your message. You can usually find out what your councillor’s twitter handle is by typing ‘Cllr (NAME) twitter’ into google. Ensure your voice is heard!