Climate change debate

Hi,
I read your excellent and instructive review on human face transformation. I was surprised by your assertion at the end of the paper:
"In addition, some projections of global warming suggest humans could soon be living on a planet that is 4 °C warmer than today, with a somewhat different atmospheric composition, which would certainly affect human physiology. "
In the literature (IPCC) the risk of such an increase is <1 .6="" 5="" a="" an="" br="" error="" fair="" hypothesis="" improbable="" is="" it="" limit="" null="" of="" out="" point="" put="" reject="" research="" risk="" scientific="" so="" such="" the="" to="" when="">

TY for your answer,
regards,





Dear G...
The information derived from NASA: https://climate.nasa.gov/effects/


Specifically, it is stated that: Scientists have high confidence that global temperatures will continue to rise for decades to come, largely due to greenhouse gases produced by human activities. The Intergovernmental Panel on Climate Change (IPCC), which includes more than 1,300 scientists from the United States and other countries, forecasts a temperature rise of 2.5 to 10 degrees Fahrenheit over the next century.





We only said this:

In addition, some projections of global warming suggest humans could soon be living on a planet that is 4 °C warmer than today, with a somewhat different atmospheric composition, which would certainly affect human physiology.


Therefore a change of 4 °C is within IPCC estimations


Best wishes;














https://www.ipcc.ch/site/assets/uploads/2018/05/ar4_wg1_full_report-1.pdf




https://www.skepticalscience.com/human-co2-smaller-than-natural-emissions.htm




https://www.nature.com/polopoly_fs/7.45015.1498666321!/suppinfoFile/546593a-s1.pdf




http://sciencenordic.com/scientists-three-years-left-reverse-greenhouse-gas-emission-trends




https://climate.nasa.gov/evidence/




http://sciencenordic.com/what-will-our-climate-look-2050




http://sciencenordic.com/scientists-three-years-left-reverse-greenhouse-gas-emission-trends




https://www.nature.com/polopoly_fs/1.22201!/menu/main/topColumns/topLeftColumn/pdf/546593a.pdf