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Global atmospheric CO2 at record-breaking level

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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...

Clarity on emissions type needed to prevent ‘Faustian bargains’

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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...

Smaller, longer-lasting bubbles could reduce global temperatures

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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...