IPCC report
He was a contributing author to the Intergovernmental Panel on Climate Change (IPCC) AR5 report "Climate Change 2013: The Physical Science Basis". In 2010, he was a co-author of the 2010 US National Academy "America's Climate Choices" report He participated in the UK Royal Society geoengineering panel in 2009 and ocean acidification panel in 2005. Caldeira was coordinating lead author of the oceans chapter for the 2005 IPCC report on Carbon Capture and Storage.