Prime Minister Keir Starmer told MPs on Tuesday, 3 March 2026, that Britain “doesn’t believe in regime change from the skies” and will not join offensive strikes on Iran. He confirmed the UK has allowed the United States access to British bases only for defensive action against imminent missile threats, a stance that departs from President Trump’s call for fuller UK involvement. The Guardian and the Financial Times reported the remarks from the Commons in full, underscoring the legal framing after the lessons of Iraq. (theguardian.com)

The weekend timeline matters. After US‑Israeli strikes on Saturday, 28 February, killed Iran’s Supreme Leader Ayatollah Ali Khamenei, Tehran launched missiles and drones across the region. By Monday, 2 March, an Iranian‑made drone had struck RAF Akrotiri in Cyprus, with further drones intercepted, prompting London to approve US use of certain UK bases for defensive missions against Iranian launch sites. TIME and Al Jazeera confirm the fatal strike on Khamenei and the Akrotiri incident. (time.com)

The politics are febrile. Conservative leader Kemi Badenoch accused Starmer of delay, while Liberal Democrats demanded a Commons vote to guard against mission creep. Editorial voices also warned that sustained support for broader operations would cross a legal line; ministers insist the UK’s role is strictly defensive. (theguardian.com)

For British nationals, officials have moved early. The Foreign Office has asked people in Bahrain, Israel, Kuwait, Palestine, Qatar and the UAE to register their presence; by Monday more than 100,000 had done so, with contingency planning under way for a larger evacuation if civilian flights remain grounded. (gov.uk)

Energy security is the quiet headline. The Strait of Hormuz-through which around a fifth of the world’s oil moves-has seen tanker traffic plunge amid Iranian threats and drone activity. Analysts warn that even a near‑closure can lift prices and disrupt supply chains overnight, as insurers pull cover and shippers pause transits. (apnews.com)

Gas looks more exposed than oil this time. Qatar’s LNG exports are concentrated through Hormuz; any sustained disruption tightens the market and pushes Europe and Asia into sharper competition for cargoes. The FT flagged a sharper gas shock risk as production paused and prices spiked; Lloyd’s List reported LNG carriers holding at Ras Laffan while transits fell to zero on Sunday. The UK buys most of its LNG from the United States, but global price effects still hit bills. (theguardian.com)

Conflict also carries a carbon cost. UNCTAD has shown how chokepoint disruptions force ships onto longer routes, driving up costs and emissions. During the recent Red Sea crisis, EU shipping emissions hit a record high and container‑ship emissions jumped by roughly 45% as vessels detoured around the Cape of Good Hope, according to Transport & Environment and Sea‑Intelligence analysis. If Hormuz diversions persist, expect a similar spike without swift operational fixes. (unctad.org)

What can the UK do now? First, lean into the clean‑power build already secured. January’s record Contracts for Difference (AR7) auction awarded about 8.4 GW of offshore wind, part of 14.7 GW across technologies-capacity that, once built, cuts gas burn in the power system and buffers households from global shocks. Ministers should prioritise rapid grid connections and supply‑chain support to get these turbines turning on time. (enerdata.net)

Second, reduce demand pain this winter. UKERC’s evidence shows heat pumps can slash household gas use, while shifting policy costs off electricity can improve running costs-moves backed by Energy UK’s scorecard. Scaling the Great British Insulation Scheme and targeted heat‑pump support would quickly cut exposure to volatile gas prices. (ukerc.ac.uk)

Third, cut shipping emissions while keeping goods moving. The World Economic Forum notes that a 10% speed reduction can trim ship emissions by roughly 27%; pairing temporary slow‑steaming with green‑corridor pilots and on‑shore power at ports can keep climate progress alive even as routes adapt. The IEA reminds us shipping still relies on oil for 99% of its energy-so accelerating zero‑emission fuels remains essential. (weforum.org)

Finally, de‑escalation is a climate priority as well as a security one. The IAEA’s warning about nuclear facilities underscored the stakes; diplomacy that lowers regional risk also stabilises energy and avoids another surge in war‑related emissions. For Eco Current readers, the message is clear: build clean power faster, use less fuel smarter, and keep the legal lines bright. (theguardian.com)