"Going green," may seem like a new movement, but the concepts behind it are not. As we ring in a new decade today, we thought it would be fun to look at great green practices from the past. You may already have some green experts in your family, known to you as your grandparents. Those of us that had grandparents grew up during the depression, "reduce, reuse, recycle," wasn't just a way to care for the environment; it was the way to live. Check out nine ways that your grandparents were living green, long before it was cool.