Always tell us where we are. And don't just tell us where something is, make it pay off. Use description of landscape to help you establish the emotional tone of the scene. Keep notes of how other authors establish mood and foreshadow events by describing the world around the character. Look at the openings of Fitzgerald stories, and Graham Greene, they're great at this.
Janet FitchThe Santa Anas blew in hot from the desert, shriveling the last of the spring grass into whiskers of pale straw. Only the oleanders thrived, their delicate poisonous blooms, their dagger green leaves. We could not sleep in the hot dry nights, my mother and I.
Janet FitchI almost said, you're not broken, you're just going through something. But i couldn't. She knew. There was something terribly wrong with her, all the way inside. She was like a big diamond with a dead spot in the middle. I was supposed to breathe life into that dead spot, but it hadn't worked.
Janet Fitch