Our final homecoming involves not just ourselves and our fellow human beings but all of creation. The full freedom of the children of God is to be shared by the whole earth, and our complete renewal in the resurrection includes the renewal of the universe. That is the great vision of God's redeeming work through Christ.
Paul sees the whole created order as a woman groaning in labour, waiting eagerly to give birth to a new life. He writes: “It was not for its own purposes that creation had frustration imposed on it, but for the purposes of him who imposed it—with the intention that the whole creation itself might be freed from its slavery to corruption and brought into the same glorious freedom as the children of God” (Romans 8:20-21). All that God has created will be lifted up into God's glory.
Henri Nouwen, from Bread for the Journey
I love this passage from Romans. A renewed mankind in a still broken creation would not be possible, or bearable. Only like this can the Kingdom come, on earth as in Heaven…