Aiden, it is not proof. It might well be that global warming has peaked.
If the current cycle is 600 years long then in 50 to 100 years we will
know, but the next cycle could be 1000 years so the low point could
be 500 years away.
The co2 rose because the warming earth grew more plants.
That complies with the observed warming precedes co2.
Anyway check in 300 years and see if the Thames Ice Festivals have been reintroduced.
Because the warming is the result of three independent cycles each
cycle may be different in length.
A Fourier Transform has to be used to detect the cycle and with only
three cycles with solid dates there
is not enough data to be certain.
Watch this space.

Shadow Minister,
I guess all those options are available to Shell.
As they have already set up a group in the company to study how to
exit the oil industry, they may find it better to hurry on with that
already made decision.
Whatever they do other than appeal it will have a major effect on the
oil industry.
I think the Australian decision was to do with Bass Strait gas, if I remember correctly.
If this practise becomes widespread the government will have to intervene.
Imagine a ruling that oil companies here had to cut their output by
even such a small amount as 25% there would be queues miles long.
However we have seen mad decisions previously.

I did a search on Duck go with "court cases to restrict oil and gas companies"
and got a large number of reports.
The result of the Dutch case is not clear whether it means all Shell
companies or just the one in Holland.
However it does mean a cut of 45%.
If the overseas Shell companies are involved because it is one company
then it would only mean other companies would take up the slack as
I don't think the refinery in Melbourne or Brisbane are Shell owned.
It would just mean Shell service station would cut back by 45%.

However all major oil companies have such cases in process in many
countries including Australia.

If I was a CEO of an electricity generator company with similar case
being lost I would stand in front of the judge call my company and
tell them to close all generators and tell the judge we have complied
and to use the stairs on his way home.
A fantasy of course. Hmmm.