ABOUT 130 Toowoomba residents gathered at Toowoomba City Hall this morning for the third rally to try and make Toowoomba a city free from porn.

A last-minute change of location due to the wet weather saw Toowoomba Mayor Paul Antonio open up the City Hall Annexe for the City Free From Porn rally.

Bravehearts founder Hetty Johnston was the keynote speaker at the rally.

"(Porn) is the biggest danger kids face at the moment," Ms Johnston said.

Hetty Johnston, founder and Executive Director of Bravehearts an organisation advocating for better child protection. Rally against Porn. October 2018 Bev Lacey

"We're seeing it in preschool and primary school. It's going to change everything about our society.

"Adults are standing on the sideline waiting for a miracle to happen, but the miracle is in them. They need to stand up."

Reader poll Should we ban porn in Australia? This poll ended on 20 October 2018. Current Results Yes 22% No 77% This is not a scientific poll. The results reflect only the opinions of those who chose to participate.

Ms Johnston said not giving young children internet-enabled smartphones was the key to cutting off access to porn.

"We can't stop porn on the internet, the genie is out of the bottle on that one," she said.

"But we can restrict access to kids.

"Smartphones for eight, nine and 10-year olds is just not necessary, let's go back to dumb phones. That can give them all the things they need without putting a time bomb in their pockets."

Ms Jonhston also called on parents to talk more with their kids about sex education.

Rally against porn: Toowoomba rally to create a city free of porn

"Be the ones to talk to your children about sex education," she said.

"Don't leave it to a four-inch screen or their mates whispering in the corridors."

The Toowoomba Mayor leads the 150 people at the anti-porn rally in a pledge. pic.twitter.com/PwsOQ0rJo6 — Tobi Loftus (@tobiloftus) October 15, 2018

Attendees at the rally were asked to read a pledge stating they would work to reduce the impact of porn on the Toowoomba community.

The City Free From Porn campaign is a ministry of Toowoomba City Women, part of Toowoomba City Church.

Toowoomba City Women president Letitia Shelton said it was important Toowoomba take a stand against porn.

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"This is an issue and industry that isn't going away in a hurry," Ms Shelton said.

"Porn has harmed so many lives. A lot of people here have stories about how it's harmed children, marriages, personal life. They've seen first-hand the damage porn has done.

"There are people all over the world speaking out about this."