Environment Minister Greg Hunt believes the deadly Paris attacks will boost the determination of world leaders to strike a climate change deal in the French capital.
At least 129 people were killed in coordinated suicide bombings and shootings around Paris last Friday, just weeks before the city hosts major United Nations climate change talks.
French President Francois Hollande has confirmed the summit will go ahead and several world leaders including Prime Minister Malcolm Turnbull are still on the attendance list.
Mr Hunt, who recently returned from pre-conference talks in Paris and will head back for the summit, said walking away from the city without an agreement would be a "dereliction of duty".
"I have a sense that it would be disrespecting Paris," he told AAP.
"There's a weight of obligation there."
It's hoped 196 countries will sign an agreement to reduce global emissions.
The environment minister believes the tragedy will strengthen the resolve for a successful outcome, saying leaders would feel a "sense of duty to Paris".
"I think people will be more determined," he said.
Every leader booked to attend the conference would still go and those in doubt would now be more likely to join them, he said.
Individual country pledges to slash emissions so far would limit rising temperatures by between 2.7 to three degrees, but leaders warn Paris is just the start of the process.
Resources Minister Josh Frydenberg is in the French capital for International Energy Agency meetings, which he believes had to go ahead to avoid handing terrorists a "small victory".
Talks had centred on how France could recover from the tragedy, he said on Wednesday.
About 45,000 delegates - along with tens of thousands of activists and business people - are expected to attend the official negotiations which start on November 30.
