Back in London again tonight but all the road signs saying disruption now in central London. Only in docklands so didn't see any of it but I think there were a couple of coaches full in the services on their way down.
How do you know??? Man might not be having any significant impact at all.
Just like Brexit - you are latching onto popular 'expert' opinion which can often be countered by equally qualified experts that do not get the same popular coverage.
Personally, I believe it true - but I don't believe these people are in any way doing anything good.
You realise all these dire consequences the protesters seem to believe are certainties are predictions based on mathematical models and a very limited data set.
At worst the human race will adapt or shrink (in population) to suit the new conditions.