The lignite-fired power station of Boxberg is captured in front of an upcoming thunderstorm on June 25, 2017 in Boxberg, Germany. | Florian Gaertner/Photothek via Getty Images

How Sensitive Is Earth’s Climate to Carbon Dioxide Pollution?

A new study seeks to pin down how much global temperatures are likely to rise with a doubling of CO2 in the atmosphere compared to the pre-industrial era.