The Project for the CTBT supports the work of NGOs and experts to build public and policymaker understanding of the CTBT.

In 1996, the United States was the first nation to sign the Comprehensive Nuclear Test Ban Treaty (CTBT), which “prohibits any nuclear weapon test explosion or any other nuclear explosion.” The CTBT helps curb the spread of nuclear weapons and establishes a global monitoring network to detect and deter cheating. The time for the CTBT is now.

Project News

Notable Read: Shutting Down Punggye-ri: Confirming Dismantlement of North Korea’s Nuclear-Weapon Test Site

By Alicia Sanders-Zakre

Tariq Rauf, an independent consultant for the Comprehensive Test Ban Treaty Organization, makes the case for a CTBTO presence at the upcoming closure of the Punggye-ri test site in a May 13 article.

Notable Read: Test and Effect

By Alicia Sanders-Zakre

George Perkovich assesses the impact of India’s first nuclear tests, 20 years later, by reviewing then-Prime Minister Atal Bihari Vajpayee’s letter to U.S. President Bill Clinton explaining India’s rationale.

Notable Read: Make North Korea’s Nuclear Test Pause Permanent

By Alicia Sanders-Zakre

Jon Wolfsthal, Global Zero’s Nuclear Crisis Group director, recommends steps North Korea can take to build on its pledge to shut down its Punggye-ri test site and stop further nuclear weapons tests in a May 7 article for 38 North.

Punggye-ri Test Site Damaged, But Still Useable, Experts Contend

By Alicia Sanders-Zakre

Two different teams of Chinese geologists reported that North Korea’s sixth nuclear test damaged the mountain over the Punggye-ri test site, which North Korea promised to shut down in May. Neither research team concluded that the mountain damage rendered the site unusable, despite recent media reports to the contrary.