Canadian Press: Prime Minister Justin Trudeau joined world leaders Friday to help formally ratify a global treaty on climate change.
Putting his signature to the Paris accord was the easy part. The hard part comes next: reducing Canadas greenhouse-gas emissions by 30 per cent over the coming decades.
Canada is nowhere near that target -- emissions continue to rise, and a national plan has yet to be worked out. But the prime minister promised his peers hed remain committed to it.
Today, with my signature,...