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The Nuclear Nonproliferation Treaty
What is the NPT and how has the treaty influenced the spread of nuclear weapons?
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.
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.
How Do Countries Create Nuclear Weapons?
What is nuclear power and how can the same process that generates nuclear energy create a nuclear bomb?
The Nuclear World
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.
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.
Climate Change Adaptations
Explore how eleven countries are adapting to the effects of climate change in this free resource.
What Is Climate Change?
In this educational video, learn why the climate is changing, how it affects us, and what we can do about it.
Who Is Responsible for Climate Change?
Why do developed and developing countries disagree about who is responsible for climate change? Explore the history of industrialization and its impacts on climate in this video.
Who Releases the Most Greenhouse Gases?
Learn how the world measures greenhouse gas emissions and how different approaches imply different levels of responsibility.