Nuclear weapons spending globally surpassed $100 billion last year
Nuclear-armed nations possess about 12,400 nuclear warheads, but nearly 90% belong to Russia and the U.S.
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Nuclear inspectors leave Iran after cooperation halted over airstrikes
Despite blocking IAEA inspectors from tracking uranium enrichment, Tehran says diplomatic channels remain open.
U.N. nuclear watchdog calls Israel-Iran attacks 'deeply concerning'
Iran retaliated - and Israel and Iran risked all-out war - after IAEA board's found Tehran breached nonproliferation duties.
U.S.-Iran nuclear talks advance as IAEA points to 'crucial' timing
Washington and Tehran held a second round of negotiations. The U.N. watchdog said an Iranian atomic bomb is 'not far off.'
Ukraine's shattered deal: nuclear weapons for security assurances
More than 30 years later, Ukraine is fighting for its survival as it laments the Budapest Memorandum's broken promises.
Latest
Nuclear inspectors leave Iran after cooperation halted over airstrikes
Despite blocking IAEA inspectors from tracking uranium enrichment, Tehran says diplomatic channels remain open.
U.N. conference gains pledges for climate finance, launches initiatives
Leaders pushed for better financial systems at only the fourth U.N. conference on development financing held since 2002.
Rethinking refugee narrative and history from voices in the archives
Beyond official narratives and statistics are the complex realities and unexpected agency of displaced populations.
Extreme temps grip Europe as heat islands increase risks for millions
Urgent early warning systems and urban heat protections are needed with extreme heat events becoming more frequent.