City dwellers often think gardening is only for those who live in suburbs or rural communities, but planting an urban garden can be easy. Whether you are planting a garden for yourself or your family, you can do your part to create a more sustainable and green future.These simple steps recommended by Arjan Stephens, executive vice president at Nature’s Path Organic Foods, can help you on your way to greening your thumb and the planet:1. No Space, No Problem: Not everyone has a backyard, roof or balcony.