"I understand that Australians have been screamed at by the opposition for more than a year.
"They've been told that they need to be very afraid, they've been screamed at relentlessly and we all know a good fear campaign when we see one."
But Ms Gillard said Australians did not need to feel anxious about the impact of the carbon tax on jobs or living costs.
"I want to say through you, to your members, to the Australian people, that there is nothing to fear when carbon pricing starts," she told the congress.
"I will move the Australian people from these days of fear to days of hope."
Independent Fact Checkers
3 hours ago