This holiday, consider giving the planet a gift. Here’s our list of the top 10 ways to green your holiday and make them more eco-friendly. * Green your tree. If your holiday festivities include a tree, here are some factors to consider when choosing a tree. A live, potted tree helps clean the air and can be planted in the ground when it gets too large. However, they are heavy to move, can be challenging to transplant if they’re larger trees and may not grow well in our area.