Sometimes I ask the theologians and philosophers why God would do away with what He creates. Not that He doesn’t have the right, because He does…He is the Author of Life. However, I not sure I believe that God would do away with the beauty He created…that includes plants and animals, and even the inanimate rocks. And…isn’t there supposed to be a restoration of creation as the Catechism puts it. I recommend anyone who ponders this question to read the section on the New Heavens and New Earth, which speaks of the restoration of both our planet and the universe.
vatican.va/archive/ENG0015/__P2Q.HTM
"1046 For the cosmos, Revelation affirms the profound common destiny of the material world and man:
For the creation waits with eager longing for the revealing of the sons of God . . . in hope because the creation itself will be set free from its bondage to decay… We know that the whole creation has been groaning in travail together until now; and not only the creation, but we ourselves, who have the first fruits of the Spirit, groan inwardly as we wait for adoption as sons, the redemption of our bodies.
1047 The visible universe, then, is itself destined to be transformed, “so that the world itself, restored to its original state, facing no further obstacles, should be at the service of the just,” sharing their glorification in the risen Jesus Christ."
I also suggest people obtain this book: “The End of the Present World and the Mysteries of the Future Life” by Fr. Charles Arminjon. It’s even recommended by St. Therese of Lisieux. ‘Reading this book was one of the greatest graces of my life.’
In the chapter titled, “The Place of Immortal Life and the State of Glorified Bodies After the Resurrection”, Fr. Arminjon tells us, “…creation will not perish: the temple of immortality will not be an ethereal, incorporeal place, as some imagine and teach, but a material abode and a city. St. Anselm describes this new earth when he says, ‘This earth, which sustained and nourished the holy body of the Lord, will be a paradise. Because it has been washed with the blood of martyrs, it will be eternally ornamented with sweet-smelling flowers, violets, and roses that will not wither.’”