So please tell me, how can there be a God when there is so much evil in the world?
There is evil in the world because of the Fall. In the beginning, God gave the first humans (Adam and Eve) the choice of obedience and perfection, or disobedience and punishment; the choice of good or bad, righteousness or wickedness. (You may read Genesis chapter 3 if you want all the details, and if you don’t have a Bible you can look it up online easy as pie.) Since Adam and Eve failed the test and chose disobedience, we were left with the punishment – sickness, death, hard/futile work, pain, evil, and sin. That is why there is evil in the world, and it is no fault of God’s, for it was man’s choice.