News that global atmospheric carbon dioxide levels surged to more than 403 ppm in 2016 – the highest level in 800,000 years – have international headlines. The CO2 concentrations, which were at 400.00 ppm in 2015, rose due to a combination of human activities and a strong El Nino event. The information was published on…
The need for clarity in the composition of greenhouse gas targets set by countries has been underlined in a guest post for Carbon Brief by Professor Myles Allen of the University of Oxford and Priestley Centre director Piers Forster. The post, which discusses a new study in Nature Climate Change by the authors and colleagues…
The stream of bubbles created by ships as they cross the ocean could be geoengineered to help reduce global temperatures by almost a degree in the longer term, researchers at the University  of Leeds have discovered – but only if bubbles are smaller and made to last longer. A study looking at the effervescent trails found that the effect…