Aug 1, 2017 ... Unprecedented warming; Direct evidence of human contribution to ... of  emissions the question changed from whether we would reach CO2 ...
Most climate scientists agree the main cause of the current global warming trend  is human expansion of the "greenhouse effect" — warming that results when the  ... Ocean water also will expand if it warms, contributing further to sea level rise.
Dec 13, 2017 ... The extent of the human contribution to modern global warming is a hotly ... If  greenhouse gas emissions alone were warming the planet, we ...
Sep 15, 2014 ... The 97% v the 3% – just how much global warming are humans causing? ...  humans have been the dominant cause of global warming since 1950, .... assess  whether anthropogenic forcings could project onto this variability.
If each limb of the tree represents human contributions to global emissions of a ...  TABLE 3-1 Estimated Human Contributions Per Decade to Global Warming of ...
On whether humans contribute to global warming