This layer presents former and current nuclear powers as well as those states where nuclear weapons are stored for the year 2018.
Example of how to read the map:
Kazakhstan used to own nuclear weapons.
Arms Control Association
The Arms Control Association was founded in 1971 and has its seat in Washington, DC, United States. It is a non-partisan organization dedicated to promoting public understanding of and support for effective arms control policies and agreements. The organization provides policy-makers, the press and the interested public with regular publications and education programmes, through interviews, analyses and commentaries. The so-called Fact Sheets provide a basic overview of key agreements and issues of arms control, such as nuclear disarmament, or current nuclear negotiations.
ILPI - International Law and Policy Institute
The International Law and Policy Institute ILPI in Oslo is an independent think tank focusing on good governance, peace and conflict, and international law. Besides research, analysis and policy advice, the ILPI provides training to clients ranging from private companies and institutions to governments and international organizations, thus aiming to improve the exchange and bridge the gap between academia and politics.
One area of activity of the ILPI is the "Weapons of Mass Destruction Project". Its aim is to promote public debate on the elimination of all nuclear weapons. For this, it provides background papers and maps on the nuclear protective shield of NATO.