"The survival of the natural world, and ultimately our survival, depends on our adoption of principles of social justice and sustainability," wrote the Pontifical Academy of Sciences (PAS), which organized the conference.
I think there is a lot more in the statement highlighted above than we are willing, or perhaps even able to discuss at this point in time.
The planet is already badly overpopulated, and things are going to get much much worse very very soon, as we head towards ten billion people.
That's the "sustainable" part.
And we are already 'circling the wagons' as refugees knock on our doors, fleeing a variety of issues, from climate change to religious persecution to unstable governments and on and on...
That's the "social justice" part.
Behind all of this ??
Maybe an economic system of civilisation that is neither economic nor civilised.
How many are ready, willing - and able - to address this fundamental issue ?
I don't think, for most people, its even on the radar.
We leave it to religious organisations to do so - then we talk about other things.