From a friend of a friend off Facebook
1824: Joseph Fourier notices the greenhouse effect.
https://en.wikipedia.org/wiki/Joseph_Fourier…
1896: Svante Arrhenius links CO2 to an increase in the effect, links this to industrial revolution coal use.
https://en.wikipedia.org/wiki/Svante_Arrhenius…
1938: Guy Callandar makes the first solid link between human activity and climate change. Nobody believed his data.
https://en.wikipedia.org/wiki/Guy_Stewart_Callendar
1957: Roger Revelle links human caused co2 increases to oceanic acidification. Only after his work with Charles David Keeling did the fear of climate change actually take off, but still the sceptics kept it quiet.”