What is the significance of the new heavens and new earth?

In 2 Peter 3:13, Peter presents the promise of 'new heavens and a new earth' as a central hope for believers, indicating that despite present trials, God will create a perfect eternal state free from sin and suffering. This promise illustrates God’s redemptive plan, showcasing His sovereignty and the culmination of history in Christ. The anticipation of this glorious future should motivate Christians to live in holiness and godliness, reflecting their longing for the fullness of God's kingdom where righteousness dwells.