If you thought that avoiding harmful pesticides was all you can do to make your yard green, you’ve been wrong. And so have we. This video by Howcast enlightens us on how to transform your yard into an eco-friendly, carbon footprint-shrinking paradise just by using trees, flowers, and your coffee grounds (!). By making a few changes in your gardening habits, your house, lawn, and plants will benefit. And consequently, so will the environment. We’ve focused on greening your home for awhile, and now it’s time to look outside and green our green grass.