Harrison Ford was among the speakers at the first-ever Nature Champions Summit in Montreal on Thursday.

Sponsored by Environment and Climate Change Canada, the event aims to “bring together major philanthropists, business leaders, non-governmental organizations, United Nations agencies, Indigenous leaders and environment ministers from around the world to build a high-ambition coalition and drive global nature protection forward.”

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After Prime Minister Justin Trudeau kicked off the event earlier in the day, Ford’s fireside chat with Nia Tero CEO Peter Seligmann touched on the idea of environmental protection.

“I’m very grateful of what the government is doing,” Ford says. “it’s an example of moral leadership, of commitment to the environment, to the various components of your society in the pursuit of justice in support of the environment and a way forward.”

“What you’re doing here is showing leadership, showing visit, showing commitment that is sadly lacking in other places,” the 76-year-old actor says of Canada while speaking on the importance of conservation and environmental protection. The “Star Wars” actor has served as a member of Conservation International for more than 25 years.

“We are in the middle of World War III, raging on every front and every person is a part of this conflict. We have to win. For our survival on this planet,” he says, urging young people to vote, urging political leaders to take action on climate change. “It’s time to be all-in.”