Join Students for a Greener World (SGW) at the Newton Free Library (330 Homer St., Newton) on Saturday, September 15, 12-3pm for the fifth annual STEAM Expo for all ages related to STEAM (Science, Technology, Engineering, Art and Mathematics). Meet tech enthusiasts, traditional crafters, artists, musicians, educators, tinkerers, hobbyists and others. Learn about robots, play in a virtual reality, make an LED light-up necklace and more! The new Makerspace will also be open and of course, SGW will feature the Green Energy Bike and other fun green activities!