Environment Minister Catherine McKenna made the comments following US media reports that US President Donald Trump had decided to pull out of the historic 196-party pact signed in Paris 18 months ago.
Canada would continue "marching on," she told reporters at an event in Toronto.
"I have had conversations with my US counterpart to make the economic case and also to make the case that 90 percent of the Paris agreement remains to be negotiated and so it's better to be at the table," she said, adding that she "hopes the US will stick with the Paris accord."
Washington's withdrawal would deal global efforts to combat climate change a devastating blow.
Trump tweeted today that an announcement would come in the "next few days.
Disclaimer: No Business Standard Journalist was involved in creation of this content