It is 3 minutes to midnight -- still

While recognizing the important progress represented by the Iran nuclear deal and the Paris climate accord, the Bulletin cautions that these positive steps have been offset in large part by foreboding developments. “Even as the Iran agreement was hammered out, tensions between the United States and Russia rose to levels reminiscent of the worst periods of the cold war. Conflict in Ukraine and Syria continued, accompanied by dangerous bluster and brinkmanship, with Turkey, a NATO member, shooting down a Russian warplane involved in Syria, the director of a state-run Russian news agency making statements about turning the United States to radioactive ash, and NATO and Russia repositioning military assets and conducting significant exercises with them. Washington and Moscow continue to adhere to most existing nuclear arms control agreements, but the United States, Russia, and other nuclear weapons countries are engaged in programs to modernize their nuclear arsenals, suggesting that they plan to keep and maintain the readiness of their nuclear weapons for decades, at least — despite their pledges, codified in the Nuclear Non-Proliferation Treaty, to pursue nuclear disarmament.”

On the climate front, the Bulletin statement points out: “Promising though it may be, the Paris climate agreement came toward the end of Earth’s warmest year on record, with the increase in global temperature over pre-industrial levels surpassing one degree Celsius.”

Other positive climate developments cited in the statement include the Papal encyclical related to climate change, the movement among investors toward divestment of fossil fuels, new advances in sustainable in energy systems, and more climate-friendly governments in Canada and Australia. However, the statement cautions that even these developments must be seen “against the steady backtracking of the United Kingdom’s present government on climate policies and the continued intransigence of the Republican Party in the United States, which stands alone in the world in failing to acknowledge even that human-caused climate change is a problem.”

The statement also reflects concerns about “the nuclear power vacuum” around the globe: “The international community has not developed coordinated plans to meet cost, safety, radioactive waste management, and proliferation challenges that large-scale nuclear expansion poses … Because of such problems, in the United States and in other countries, nuclear power’s attractiveness as an alternative to fossil fuels has decreased, despite the clear need for carbon-emissions-free energy in the age of climate change.”

Rachel Bronson, executive director and publisher, Bulletin of the Atomic Scientists, said: “Last year, the Bulletin’s Science and Security Board moved the Doomsday Clock forward to three minutes to midnight, noting: ‘The probability of global catastrophe is very high, and the actions needed to reduce the risks of disaster must be taken very soon.’ That probability has not been reduced. The Clock ticks. Global danger looms. Wise leaders should act — immediately.”

Lawrence Krauss, chair, Bulletin Board of Sponsors, foundation professor, School of Earth and Space Exploration and Physics departments, and director, Origins Project, Arizona State University, said: “Developments have been mixed since we moved the clock forward a year ago.  In spite of some positive news, the major challenges the Bulletin laid out for governments then have not been addressed, even as the overall global challenges we need to face become more urgent. The clock reflects our estimate that the world is as close to the brink as it was in 1983 when US-Russian tensions were at their iciest in decades.”

Thomas R. Pickering, member, Bulletin of the Atomic Scientists Science and Security Board, former senior U.S. Department of State official, said: “While the historic Iran nuclear agreement was an important step forward, we live in a world where nuclear tensions involving the United States, Russia, North Korea and other nations continue at a heightened level. If not for the Iran nuclear agreement, we would have to conclude that, on balance, tensions are even higher today than they were in 2015 when the Doomsday Clock was set to just three minutes to midnight.”

Sharon Squassoni, member, Bulletin Science and Security Board, senior fellow and director, Proliferation Prevention Program, Center for Strategic and International Studies, Washington, D.C., said: “North Korea’s recent nuclear test illustrates the very real danger of life in a proliferated world. Nuclear proliferation isn’t a potential threat — we still have few controls over the kinds of capabilities that Iran succeeded in acquiring.  In addition, regional tensions and conflict increase the risk of theft or use of these weapons.

Sivan Kartha, member, Bulletin Science and Security Board, senior scientist and climate change expert, Stockholm Environment Institute (SEI), and co-leader of the SEI research theme “Reducing Climate Risk,” said: “The voluntary pledges made in Paris to limit greenhouse gas emissions are insufficient to the task of averting drastic climate change. These incremental steps must somehow evolve into the fundamental change in world energy systems needed if climate change is to ultimately be arrested.”

The Bulletin statement accompanying the Doomsday Cock announcement identifies the following steps that must be taken most urgently:

  • Dramatically reduce proposed spending on nuclear weapons modernization programs
  • Re-energize the disarmament process, with a focus on results
  • Engage North Korea to reduce nuclear risks
  • Follow up on the Paris accord with actions that sharply reduce greenhouse gas emissions and fulfill the Paris promise of keeping warming below 2 degrees Celsius
  • Deal now with the commercial nuclear waste problem
  • Create institutions specifically assigned to explore and address potentially catastrophic misuses of new technologies