All things are connected. Whatever befalls the earth befalls the sons of the earth. Man did not weave the web of life, he is merely a strand in it. Whatever he does to the web, he does to himself. Francis Thompson A falling leaf affects the farthest star.
Nothing is completely itself without everything else.
This relatedness is both spatial and temporal. However distant in space or time, the bond of unity is functionally there. The universe is a communion and a community. This would profoundly change the categories of our thinking and influence our practical attitudes. We must envision the biosphere as a whole with mutually reinforcing or mutually destructive interdependencies.