You can use a variety of decorations to decorate a white Christmas tree. White lights can be used to create a soft and subtle glow, while clear lights can provide a more elegant and sophisticated look. You can also use a variety of ornaments in different colors and shapes to add interest to the tree. If you want to create a more rustic or natural look, try using pine cones or branches instead of traditional ornaments. You can also add ribbons and bows to create a festive look.