Nuclear Proliferation

Reading

Where are the world’s nuclear weapons today and whom do they protect? Explore maps, charts, and graphs to learn about current and future nuclear weapons states.

Video

What Is Nuclear Proliferation?

In this video on nuclear proliferation, learn why countries develop nuclear weapons—and what is being done to prevent the spread of these weapons and the possibility of nuclear war.

Reading

The Nuclear Nonproliferation Treaty

What is the NPT and how has the treaty influenced the spread of nuclear weapons?

Timeline

The History of Nuclear Proliferation

What are the most significant attempts to stop the spread of nuclear weapons, and have they succeeded? Explore this timeline, from the first atomic bomb to Russia’s war in Ukraine.

Video

Tools of Nonproliferation

How do world leaders try to prevent nuclear war? From diplomacy to military force, learn what policy options are most effective in this video.

Reading

How Do Countries Create Nuclear Weapons?

What is nuclear power and how can the same process that generates nuclear energy create a nuclear bomb?

Reading

South Africa: Why Countries Acquire and Abandon Nuclear Bombs

Why did South Africa give up its nuclear weapons? In this historical case study, learn about the only country in the world to have developed and then dismantled its nuclear program.

Learning Journeys

A learning journey is a curated collection of resources that explore a topic from a specific perspective.

Learning Journey

Nuclear Proliferation: Nonproliferation

Explore this collection of learning resources to understand various policy options that exist to support nonproliferation.

Learning Journey

Nuclear Proliferation: Introduction

Explore this collection of learning resources to understand nuclear proliferation.