From what's been taught by those considered highly spiritually evolved our world was created for us humans to learn from experiences here. For now it is conjecture whether our friends unseen would intervene if the earth were threatened with destruction. And it's debatable what would constitute destruction or a level of damge that might bring about intervention - if that could happen effectively enough to prevent catastrophe. Let's join in silent prayer that we never find that out. But consider the threats this world faces presently, not necessarily leading to its destruction but resulting in changes that would massively impact every aspect of life - the many negative aspects of climate change, rapidly increasing pollution, extreme deforestation, carbon dioxide and methane release adding to already escalating warming leading to unprecedentedly rapid ice caps melting with inevitable rising of sea-levels, unprecedented population growth - they're just a few I was able to list without giving them much thought. Our world's eco systems could be so severely compromised that 'normal life' would become something very different from anything we know now. Those are all concerns I now constantly have for this world and many will share my worries. Humankind may not be up to making changes in time to avoid catastrophe of an unimaginable magnitude. It may already be too late to avoid the impact on the lives of our children and grandchildren and their children and grandchildren, then on an on for generations to come. Not destruction of this world but changes so profound we can scarcely guess at their eventual magnitude. I've just read a novel that caught my imagination. It tells of a future time 1000 years after apocalypse just a few years in the near future. This world had changed, our present the ancient history of that future time. A world changed by events that are presently beyond the horizon - just beyond it. The story is fiction but the event leading to the 'apocalypse' in that story may not be that far-fetched. It begs the question "Could those in the so-called spirit world actually prevent, or ameliorate, damage to our world sufficient to prevent a catastrophe?" Unless there's a precedent my suggestion is that our friends unseen can only guess.