Supporting the environment and natural beauty is one thing when you are laying on the beach watching the waves lap onto the shore or when you are high atop a mountain surveying the land below. In your house or apartment, nature can be a bit of a tricky beast. After all, while your dog might be more than welcome in your bed, any other critter from outside would be an infestation. So how can you make your home more nature-friendly while still protecting its sanctity and design? Try a vertical garden. These walls planted with greenery are not just beautiful with their vibrant leaves, but they also serve as natural air filters by 'breathing in' carbon dioxide and 'breathing out' pure, fresh oxygen. Let's take a look.