{Earth and Leaf Editorial – Rising sea temperatures around the UK and the potential threat to wild fish} {extract below} Rising sea temperatures Millions across the UK have been enjoying a sweltering start to the summer, but unusually high temperatures at sea could spell trouble for marine and freshwater wildlife. The Met Office confirmed that global sea surface temperatures for April and May smashed previous records, at their highest since monitoring began in 1850. An ‘unprecedented’ marine heatwave in UK waters The US National Oceanic and Atmospheric Administration has classified the abnormally high sea temperatures in UK waters as a ‘category 4’ heatwave. Cat 4 marine heatwaves are described as…