In January 2021, the Treaty on the Prohibition of Nuclear Weapons went into force which forbids all activities related to nuclear weapons: manufacturing, developing, testing, and stockpiling, as well as any assistance with those activities. Now banks, pension funds and asset managers are committing to the norm against nuclear weapons- using the following reasons to end ties to the nuclear weapons industry:

The Treaty Controversial Weapons

Material & Reputational Risks Religious Concerns 

UN Guiding Principles  UN Principles for Responsible Investment