Projected mean air temperature (IMAGE) Bay Area Environmental Research Institute Caption Projected mean air temperature changes in the 2040s with respect to the baseline period (1950-1979) when the Earth will likely reach 2°C of global warming compared to pre-industrial levels. Credit Taejin Park Usage Restrictions Credit Taejin Park License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.