The IAEA is an autonomous organization within the United Nations system that promotes the safe and peaceful use of nuclear energy.

The NPT is a landmark international treaty that aims to prevent the spread of nuclear weapons and promote nuclear disarmament.

North Korea withdrew from the NPT in 2003, citing concerns about its sovereignty and the lack of progress on nuclear disarmament.

The CTBT is an international treaty that bans all nuclear explosions, whether for civilian or military purposes.

North Korea conducted its first nuclear test in 2006, and has since conducted several more tests, raising concerns about its nuclear program.

The primary concern regarding the use of nuclear energy for electricity generation is the risk of nuclear accidents, which can have catastrophic consequences.

The United States has the largest number of operating nuclear power plants, with over 90 reactors in operation.

The primary concern regarding the disposal of nuclear waste is the long-term storage of radioactive materials, which can remain hazardous for thousands of years.

The IAEA is responsible for coordinating international efforts to address nuclear safety, including the development of safety standards and the promotion of best practices.

The NSG is a group of countries that have agreed to control the export of nuclear materials and technology to prevent their use for nuclear weapons proliferation.

Australia has the largest reserves of uranium, followed by Kazakhstan, Canada, and Russia.

The primary concern regarding the use of nuclear energy for weapons is the proliferation of nuclear weapons, which could lead to increased tensions and the risk of nuclear war.

The United States is the largest producer of nuclear energy, followed by France, China, and Russia.

The primary concern regarding the use of nuclear energy for medical purposes is the risk of radiation exposure to patients and healthcare workers.

China has the largest number of nuclear power plants under construction, followed by India, Russia, and the United States.