Biological and Environmental Research - Earth and Environmental System Sciences
Earth and Environmental System Modeling
01 November 2013

On Increasing Global Temperatures: 75 Years After Callendar


In 1938, Guy Stewart Callendar was the first to demonstrate that the Earth’s land surface was warming. Callendar also suggested that the production of carbon dioxide by the combustion of fossil fuels was responsible for much of this modern change in climate. This short note marks the 75th anniversary of Callendar’s landmark study and demonstrates that his global land temperature estimates agree remarkably well with more recent analyses.