Here's a graph of global temperature, 1880–2014.
Temperature anomaly, ºF
Human greenhouse gas emissions are the clear cause.
Let's isolate the factors.
Including 97% of scientists, the U.S. National Academy of Science, NOAA, NASA, and the scientific societies of all industrialized nations.
Charles Fourier discovered the impacts of CO2 in 1827.
Scientists have been publishing about climate change since the 1950s.
There is no way to undo our damage, but stopping carbon pollution will reduce further damage.
The majority of models so far have underestimated warming.