Former US President Donald Trump has claimed that an agreement with Iran is ‘largely negotiated’, following a period of heightened tensions in the Persian Gulf that saw the Strait of Hormuz temporarily closed to international shipping. The strategic waterway, through which approximately 20% of the world’s oil passes, has reopened but British maritime authorities have issued a warning to vessels operating in the region, citing residual security risks.
Trump’s statement, made during a press conference at his Mar-a-Lago estate, marks a significant shift in rhetoric from his administration’s maximum pressure campaign, which included withdrawing from the 2015 Joint Comprehensive Plan of Action (JCPOA) and reimposing sanctions on Tehran. “We have a deal largely negotiated. It’s a good one for both sides,” Trump said, without providing specifics on the terms or the status of ongoing talks.
The comment comes amid a backdrop of escalating military activity in the Gulf. The UK Maritime Trade Operations (UKMTO) has warned British-flagged vessels to exercise caution when transiting the Strait of Hormuz, citing the potential for Iranian naval harassment or attacks. This advisory follows the detention of a British-flagged tanker by Iranian forces last month, which Tehran claimed was carrying contraband oil.
Climate and energy analysts are watching this development with a mixture of hope and scepticism. From an energy transition perspective, any reduction in regional tensions could stabilise global oil prices, reducing the economic pressure that often fuels resistance to decarbonisation. However, a renewed deal could also prolong the world’s reliance on fossil fuels, slowing the shift to renewables. The Intergovernmental Panel on Climate Change has repeatedly stressed that to avoid the worst impacts of global warming, the majority of known fossil fuel reserves must remain in the ground.
For British shipping, the reopening of the Strait is a double-edged sword. While it restores a vital route for goods and energy imports, the UKMTO’s warning underscores the fragile nature of maritime security in the region. The Royal Navy has increased its presence in the Gulf, but the underlying geopolitical instability remains a threat, not just to shipping but to the global energy supply chains that underpin modern civilisation.
Dr. Helena Vance, Science & Climate Correspondent, reminds readers that geopolitical shocks like this have a direct impact on our climate trajectory. Each disruption to energy markets triggers a scramble for resources, often leading to increased reliance on the dirtiest forms of energy. The time bought by diplomatic solutions must be used to accelerate the transition to a resilient, low-carbon economy. The physical reality of a warming planet does not pause for negotiations. The calm urgency of our moment demands that we treat every geopolitical event as a reminder of the larger crisis unfolding. The Strait of Hormuz may be open today, but the window for meaningful climate action is narrowing faster than any diplomatic deal can close.








