View Preprint PDF Deliberate and unintended radio transmissions from Earth propagate into space. Deliberate transmissions, such as the Arecibo message pictured above, are intended as attempts to send messages to potential extraterrestrial watchers (METI). Unintended...
To help you decide whether to donate to GCRI, we have updated our donate page with three reasons why GCRI is an excellent organization to support: 1. Global catastrophic risk is an important cause. Global catastrophes can affect everyone around the world. Preventing...
Download Preprint PDF Inadvertent nuclear war as defined in this paper occurs when one nation mistakenly concludes that it is under attack and launches nuclear weapons in what it believes to be a counterattack. A US-Russia nuclear war would be a major global...
Download Preprint PDF To date, most research on global catastrophes analyzes one risk at a time. A better approach uses systems analysis to capture the many important interactions between risks. This paper analyzes a global catastrophe scenario involving climate...
On Thursday 29 November, GCRI hosted the fourth of a series of discussions among a group of nuclear war scholars. This discussion focused on the ongoing risk of an all-out nuclear war between the United States and Russia. Meeting participants included Martin Hellman...
