@Olivier5,
we could also be in the early stages of a series of atmospheric and geophysical cycles (Dansgaard Eschger especially).
Actually, in the 70;s I recall that the big to do was the "coming Ice age".
Then we modified this opinion with a GW story. I dont think much real science was in it.
Some sea level rise measurements were predicted along the our East Coasts by guys like Rhodes Fairbridge and , while a few were correct, many were just flat wrong.
SHow me the coastal tidal range hsitory for a place like Mt ST Michel, I havent looked at that for several years and wlways wonder about whether there is any sea level rise realized. Also, places like Venice, I think can be more attributed to massive dewatering from oil pumping which causes compression of the trata and an "apparent" sea ;evel rise.
I agree that , over the planet, most areas can show sea level rises and GW data, but, like so many things we assert, Im not certain we can yet attribute it to humans. Actually, if you look at atmospheric CO2 since the Mesozoic, we see that the CO2 level is dropping markedly, and this recent rise may be an artifact.
I believe its only recently that SOx, NOx, and CH3 have been "put on the list" as important gases.