The earth is God's creation and so it belongs to Him. This includes everything in it. We also were created by God and He desires our praise and worship. Since…
Make a joyful noise unto the LORD, all ye lands. Serve the LORD with gladness: come before his presence with singing. Know ye that the LORD he is God: it is he that hath made us, and not we ourselves; we are his people, and the sheep of his pasture. ~ Psalm 100:1-3