Second Chance for Mankind

Why did God not want man to have the knowledge of good and evil? In a sense, Adam and Eve bit off more than they could chew. Their whole world changed. Were God's words to them judgment or prophecy? Could this in any way relate to our world today? God spoke of a curse upon the earth, and today we see the planet turning on itself. Much the same way houseplants thrive in a peaceful, happy environment, is the planet responding to the hatred, greed, fighting, and wars that are all around us? What is