Canadian Prime Minister Justin Trudeau speaking at the signing ceremony on climate change at the UN in 2016. Trudeau has committed Canada to steep reductions in carbon pollution, while also pushing to expand tar sands oil production.

Canadian Prime Minister Justin Trudeau speaks at the signing ceremony on climate change at the UN in 2016. Trudeau has committed Canada to steep reductions in carbon pollution, while pushing to expand tar sands oil production.

Credit:

Carlo Allegri/Reuters

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