Scientists Tune In to Trees to Monitor Planet’s Health Posted on 01/16/2019 by Cosc Healthy forests are key to a healthy planet. But climate change is putting forests under stress. A new system aims to track the trees’ vital signs. VOA’s Steve Baragona has more. … Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on X (Opens in new window)