The 
key to preventing climate change might just be found in those old cell phones in your junk drawer.
Rainforest Connection, a San Francisco startup, has developed a communications device to protect rainforests (and other areas) using old smartphones and the Internet of Everything. It’s a tool that definitively answers the old adage of “If a tree falls and no one is there to hear it, does it make a sound?”
Chris Morris: Journalist 