The Greens Mithra Cox said climate change was a mammoth task to solve and needed fast action, involving many forms of renewable energy if future generations were to have a livable planet.
"It's going to require a major economic and industrial transformation within our lifetimes and ideally within the next decade," she said.
"But the alternative does not bear thinking about. The sea level rise predictions for Wollongong, if we remain on the current emissions trajectory that we're currently on is three metres by 2100. My kids will still be alive."
She also took aim at the behaviour of people at the Thirroul forum saying she would not engage with people who "heckle an Aboriginal elder... shouts over the top of anyone with a different opinion, or sends fake information mocked up in Microsoft paint and claim it as evidence".
"If you don't care about the impacts of climate change on my generation and the generations to come, then don't expect me to engage on a deep level," she said.