I think most world leaders should look at the video and have a little think.
It is a window into what future social unrest could look like if climate issues and their results are not addressed.
Massive flooding and mud is a good example as it will be a constant in Europe. Profound and fast change is needed in order to be able to live with 3 meter walls of water being funneled through narrow streets.
A lot should have happened before and after the rain in Spain. And by before, I in the mean years and months.
Our political system is not built to cope with that as it runs on 4 yearly cycles. Some international body needs to set up with actual powers to act.