25 Aug 2026
Photo by Joshua Humpfer The global average sea surface temperature has broken its all-time record. The Copernicus Climate Change Service (C3S) confirmed the figure reached 21.1°C on 22 August, surpassing the previous record of 21.09°C set in March 2024. The timing is notable in itself: global ocean temperatures typically peak in March and April, yet […]
18 Aug 2026
Photo of Maunsell Forts in the Thames Estuary, by James Boreham UK waters have been gripped by a marine heatwave since February, with the southern half of the country still experiencing category I-III conditions in mid-August and pockets of the Dorset coast reaching category IV, “Extreme,” the most severe classification on the scale. Scientists […]
16 Jun 2026
Photo by Dear Sunflower A dramatic surge in common octopus populations off the south-west coast of England has spread as far as Scotland and Wales, with sightings now reported across a range of coastal sites that would have been almost unthinkable just a few years ago. New findings from the Marine Biological Association (MBA) confirm that […]
02 Jun 2026
Photo by Annie Spratt Cornwall’s inshore fisheries regulator is proposing an emergency byelaw to restrict octopus potting by larger vessels, as concern mounts over the impact of an unprecedented population bloom on the region’s crab and lobster fisheries. Cornwall IFCA announced on 26 May that its members will consider the measure at a quarterly meeting […]
28 Apr 2026
Photo by Gustavo Zambelli A large and persistent marine heatwave is intensifying across the northeast Pacific Ocean, raising concerns among scientists about ecosystem disruption along the US West Coast – and forecasters warn that global marine heatwave coverage is on course to reach record levels by the end of the year. The heatwave has […]
28 Apr 2026
Photo by Pascal van de Vendel Beneath the turquoise waters off the northern coast of Jamaica — the same stretch used as a backdrop for scenes in the James Bond film No Time to Die — a team of divers is carrying out an unusual mission. Rather than coral fragments or chemical treatments, their equipment consists […]
24 Mar 2026
Photo by NASA The Earth’s climate is more out of balance than at any point in recorded history, the World Meteorological Organization (WMO) has warned, with greenhouse gas concentrations driving accelerating warming of the atmosphere, oceans and ice sheets. The WMO’s State of the Global Climate 2025 report confirms that 2015 to 2025 were the hottest 11 years […]
24 Feb 2026
Photo by Ekaterina Boltaga A major new report from the Intergovernmental Oceanographic Commission (IOC) of UNESCO has identified critical gaps in scientific understanding of the ocean’s carbon cycle that could be significantly undermining global climate predictions and the policies built upon them. The Integrated Ocean Carbon Research Report, prepared by 72 authors across 23 countries, reveals […]
