Are we entering a new era of nuclear weapons testing?

November 07, 2025

- YouTube

Former Swedish Prime Minister Carl Bildt asks whether the world is sliding back into the dangerous era of open nuclear weapons testing, and it all started with a misunderstanding by US President DonaldTrump.

President Trump misinterpreted Vladimir Putin’s comments about nuclear-powered weapons; he reportedly ordered preparations to test US nuclear weapons, sparking Russia and North Korea to signal they might do the same.

Bildt explains how this confusion could reverse 35 years of progress in limiting nuclear tests and destabilize an already volatile world on GZERO Europe.

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When it comes to global warming, the hottest ticket in the world right now is for the COP30 conference, which runs for the next week in Brazil. But with world leaders putting climate lower on the agenda, what can the conference achieve?

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Yoan Valat/Pool via REUTERS

Are we entering a new era of nuclear weapons testing?

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Are we entering a new era of nuclear weapons testing?

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More from GZERO Media

On Ian Explains, Ian Bremmer breaks down how the US and China are both betting their futures on massive infrastructure booms, with China building cities and railways while America builds data centers and grid updates for AI. But are they building too much, too fast?

Don't let a chummy White House visit fool you. He's on the ropes.

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Subscribe to GZERO Media's newsletter: Signal

As the United Nations marks its 80th anniversary, UNCTAD Secretary-General Rebeca Grynspan argues that reform must begin with recognizing how much the world has changed since 1945.

Think you know what's going on around the world? Here's your chance to prove it.

How do we ensure AI is trustworthy in an era of rapid technological change? Baroness Joanna Shields, Executive Chair of the Responsible AI Future Foundation, says it starts with principles of responsible AI and a commitment to ethical development.