Withholding military assistance to Ukraine, the country that gave up world third-largest nuclear arsenal, is damaging not only to US credibility and Ukraine’s security but also to the international nonproliferation regime.

When Iran agreed to convert its heavy water reactor at Arak, it was a win for the United States and for nonproliferation. Now members of US Congress want to stop the conversion.

The current third push for US breeder reactors, using the Versatile Test Reactor as the thin end of a larger wedge of government support, is based far less on economics or concern about nuclear waste than  purely on patriotic slogans. We don’t need it. Congress should say, “No.”

What next for the US and North Korea? On Wednesday, President Trump will meet Kim Jong-un for a second summit, this time in Hanoi, Vietnam. Dive into nuclear policy and the Korean peninsula to learn what can and can’t be achieved in this round of negotiations, and what should be at the top of the … Continued

They signed something. But what?

Climate Change The high price of delayed action on climate change By Dan Drollette Jr | Climate Change, Uncategorized Trump’s disregard for climate change is only natural By Amar Causevic, Egemen Bezci, Nicholas Borroz | Climate Change, Uncategorized Stephen Hawking: A physicist’s appreciation By Daniel Holz | Climate Change, Nuclear Weapons, Special Topics, Uncategorized Recent storm problems could force state … Continued

Hawaii’s false alarm demonstrates that the United States is neglecting important deficiencies in command and control and civil defense, and fixating instead on the size of its “nuclear button.”

The United States would have more credibility as a critic of North Korea’s nuclear program if it joined denuclearization agreements in Africa, Central Asia, and the South Pacific.

Highly publicized pro-nuclear reactions from a small minority provide a misleading impression of the likelihood that the Republic of Korea will actually pursue its own nuclear capability.

We are concerned with the current direction of US-China’s policies, but we believe that the pessimists both overstate the possibility of a US-China war and understate the consequences of possible armed conflict.

To deal with the troubled arms control situation before it becomes a catastrophe, Global Priorities—an international network of experts, religious leaders, and non-governmental organization collaborators, all dedicated to reducing nuclear weapons, dangers, and expenditures, in favor of human needs—met in Rome last month to discuss the situation and propose solutions.

Since last spring when Israeli Prime Minister Benjamin Netanyahu announced that his country had seized secret Iranian nuclear files, including hundreds of documents, CDs and other media, from an undisclosed warehouse in early 2018, Israeli and US officials have pushed for the International Atomic Energy Agency (IAEA) to take action. News emerged in early April … Continued

How the weather does and doesn’t change people’s views on global warming science.

Analyzing the Helsinki summit The meeting and subsequent press conference between Donald Trump and Vladimir Putin in Helsinki, Finland has been largely met with shock and anger, but will there be any lasting impact?  Explore our coverage of the aftermath, and suggestions on where we go from here. Putin’s wish list does not include destroying … Continued

Here are some surprising takeaways from the latest article by investigative journalist Eric Schlosser, who has reported extensively on nuclear weapons.

Some unexpected angles to yesterday’s announcement

From sports to art and culture, from confidence-building measures to bipartisan congressional initiatives and face-to-face dialogue, there is a recurring theme in creative diplomacy: human interaction. The personal relationships that develop from direct interaction matter, because they have proven time and again to be productive even in the most difficult situations.

Politics does make strange bedfellows

In the United Kingdom, a socialist with a maximalist political strategy is a hair’s breadth away from 10 Downing. Might disarmament advocates learn something from Jeremy Corbyn about how to achieve goals that have long seemed out of reach?