National security of all countries at risk due to climate crisis, UK foreign secretary warns

by | Nov 14, 2026 | Climate Change

National security of all countries at risk due to climate crisis, UK foreign secretary warns

The UK’s foreign secretary is set to address world leaders at the Cop31 UN climate summit in Turkey, emphasizing that climate change represents a significant national security threat on par with traditional defense concerns. The official plans to argue that planetary heating will trigger food insecurity, damage to critical infrastructure, and large-scale population displacement, all of which carry profound implications for global stability and security.

According to statements provided to media outlets, the foreign secretary will contend that scenarios once considered speculative have become commonplace occurrences. The official plans to highlight that the world must now confront the consequences of failing to reduce carbon emissions over the past three decades, warning that these failures will create hardship and instability affecting billions of people. This framing represents an attempt to reposition climate action as a central component of national defense strategy rather than solely an environmental issue.

The summit in Antalya is expected to address the reality that global temperatures have already exceeded the 1.5 degrees Celsius warming threshold for two consecutive years, making some degree of overshoot inevitable. The official will argue that preventing further acceleration of warming and developing methods to reduce temperatures over coming decades now requires substantially stronger policy measures from nations worldwide. Additionally, the speaker plans to reference recent fossil fuel supply shocks, including those linked to conflicts in the Middle East, as evidence that economic vulnerability tied to oil dependence will persist and intensify.

The UK foreign secretary is expected to advocate for increased investment in renewable energy infrastructure and accelerated deployment of clean energy systems for transportation and heating. The official will also call for urgent reductions in methane emissions and expansion of forest protection efforts. However, the UK government itself faces criticism from climate advocates, who contend that recent policy decisions—including a plan to expand electric vehicle mandates less aggressively and approval of new North Sea fossil fuel development—contradict stated climate commitments and undermine the country’s credibility with international partners.

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