A Look Back on our 2024 Symposium: Ploughshares + Horizon 2045 Partnership in Action

Last September, Horizon 2045 and Ploughshares co-hosted “Security & the Future,” a three-day symposium designed to promote long-term thinking about intersections between nuclear challenges and other global threats to human and planetary security. More than 100 colleagues from civil society, philanthropy, the private sector, and government attended the symposium, engaging in provocative cross-issue conversations focused…

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Elizabeth Warner Reflects on 13 Years at Ploughshares and the Path Ahead

After 13 transformative years at Ploughshares, Elizabeth Warner, the organization’s Executive Director, is stepping down. Warner’s tenure has been marked by pivotal achievements in the global nuclear disarmament landscape and a steadfast commitment to fostering equity and innovation within the organization. In a reflective interview, Warner shared insights into her decision, the milestones she’s most…

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Nuclear Legacy

The White Sands are always warm beneath my feet and the dunes are endless. They run towards the setting sun as if they are racing to snatch it up and hold its light forever. The sun prevails in its journey though, and suddenly the sky becomes dark and the white dunes turn blue beneath the…

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Dr. Emma Belcher’s Values-Based Leadership

On a sunny, 60º day in San Francisco, Dr. Emma Belcher and I met at the California Academy of Science’s cafe for a coffee following a short but packed week of meetings with the Board of Directors and our annual gala, Chain Reaction. We had just concluded a private group tour of the museum which…

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Why A Sunflower?

Sunflowers are one of multiple types of flowers known as “turnsoles,” which are plants whose stems or flowers follow the movement of the sun. Turnsole movements show the connection between the different elements of nature as well as the connection between nature and those inhabiting Earth. They also demonstrate the movement of time and beckons…

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Nuclear Weapons: 5 Things You Need to Know

As of early 2024, nine countries controlled roughly 12,121 warheads. The United States and Russia control approximately 88 percent of all nuclear weapons in the world. As of early 2024, nine countries controlled roughly 12,121 warheads. The United States and Russia control approximately 88 percent of all nuclear weapons in the world. The United States…

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What is Field Building anyway?

Ploughshares’ new approach to our organizational strategy.  The goal: To transform the nuclear field, making it a modern, skilled workforce  capable of collective action to respond to urgent nuclear threats and emboldened to achieve our mission to eventually eliminate nuclear weapons altogether.  We are doing this by continuing our role as grant maker and convener…

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