Around 300 scientists, civil servants, journalists and climate experts took part in the 11th annual Carbon Brief quiz on Wednesday 18 March 2026. For the second time, this year’s quiz was hosted by Octopus Energy at its headquarters in central London. In total, 39 teams participated – 25 teams in person and 14 teams joining via Zoom. Competing teams reflected a wide range of climate change and energy professionals. The list included journalists, civil servants, climate campaigners, policy advisers, energy experts and scientists. Organisations represented included: Council on Energy, Environment and Water (CEEW) in India; New Scientist; the Times; Business Green; the Bartlett School of Environment, Energy and Resources (BSEER), UCL; Verisk Maplecroft; BBC; World Weather Attribution; Grantham Institute at Imperial; DESNZ; WWF; European Climate Foundation (ECF); the ENDS Report; C40 Cities; Ricardo; Met Office; Meliore; E3G; Danish Meteorological Institute (DMI); Energy Transitions Commission; Carbon Tracker; Ember; Royal Meteorological Society; Civil Service Climate and Environment Network (CSCEN); Changing Markets Foundation; Cerulogy; Oxford Sustainable Law Programme; Université de Lausanne; University of Exeter; Centre for Environment and Sustainability, University of Surrey; UK Parliament; Skeptical Science; ECIU (Energy and Climate Intelligence Unit); Octopus Energy; DeSmog; Department for Transport and Royal School of Mines. Teams were tested with five rounds of questions – general knowledge, policy, science and two picture rounds. (See the slideshow of the questions and answers below). After two hours of playing, this year’s winners were announced. Comprised of players from the Council on Energy, Environment and Water (CEEW) in India,…
