Reducing the threat of weapons of mass destruction

Find out how Canada supports international efforts to prevent the proliferation of chemical, biological, radiological and nuclear (CBRN) weapons and reduce the threat of CBRN terrorism.

Services and information

Canada's Weapons of Mass Destruction Threat Reduction Program

How Canada helps prevent, detect, and respond to international threats from weapons and materials of mass destruction.

Nuclear and radiological security programming

Canada's international role in keeping weapons-useable nuclear materials and other dangerous radiological materials secure.

Biological security programming

Learn how Canada helps reduce the risk of naturally-occurring, accidental, or deliberate biological threats.

Chemical weapons programming

What Canada does to help achieve a world free from chemical weapons.

Implementation of UN Security Council Resolution 1540

How Canada assists other countries prevent trafficking and proliferation of weapons and materials of mass destruction.

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