GREAT NEWS IN A NUTSHELL! We’ve know this for a long time. Now the research is catching up. Your garden can help absorb air pollution and keep your family safe, and street planting of hairy, dense hedges and heavy canopied trees can uptake toxic air pollution. One three foot long hedge of cotoneaster can uptake the pollution from a car driving 500 miles. Read this and please with your friends, students and Ohana!