«If the true climate sensitivity really is as high as 5 degrees C -LSB-(9 degrees F)-RSB-, the only way our descendants will find that out is if they stubbornly hold greenhouse gas concentrations constant for centuries at our target stabilization level.» (scientificamerican.com)
Instead, they said the earth's true climate sensitivity was roughly less than 1 °C (2 °F). (insideclimatenews.org)
Additionally, recent research has suggested that the true climate sensitivity lies on the high end of that range. (skepticalscience.com)