Prime Minister Mark Carney shakes hands with Indian Prime Minister Narendra Modi during the G7 Leader's Summit in Kananaskis, Alta., in June.Amber Bracken/Reuters

Gordon Edwards, PhD, is a science educator, nuclear safety consultant and president of the Canadian Coalition for Nuclear Responsibility.

Erika Simpson, PhD, is an associate professor of international politics in the department of political science at Western University and president of the Canadian Peace Research Association.

Every so often, Canada arrives at a moment when foreign policy, ethics and national interest intersect. The pending $3.94-billion sale of Canadian uranium to India is one of those moments – though we seem inclined to move past it with minimal reflection.

India is not a routine customer. It is a nuclear-armed state that has never signed the Nuclear Non-Proliferation Treaty (NPT), the agreement meant to anchor global efforts against the spread of nuclear........

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