Genesis 2:15 G-d made Adam a gardener.
Jeremiah 2:7 speaks of spiritual defilement/idolatry. .
Deuteronomy 11:12 is a promise that G-d will bless the mandatory if his people will seek him diligently.
According to what you've posted the earth will never be preserved because mankind has forsaken the Lord.
Here it is in a nutshell.
2 Chronicles 7:14 If my people, which are called by my name, shall humble themselves, and pray, and seek my face, and turn from their wicked ways; then will I hear from heaven, and will forgive their sin, and will heal their land.