Protestors said they represented the lives of future generations the minister is putting in danger with a lack of action against climate change.
They called out Minister Sussan Ley carrying the sign that read 'Sussan Ley you have a dut of care.'
Police were called to shut down the protest, and in response, four people glued their hands to the ground at Queen Street Mall.
Police used acetate to unglue the four elderly protestors who has glued themselves to the concrete.
Four people were arrested for public nuisance and were escorted from the protest in police vans.
Get the latest breaking news from SCA newsrooms around Australia. Short, simple and everything you need to know.