Green Newton, Mothers Out Front Newton and 350Mass Newton Node will sponsor a webinar, Hydrogen vs. Electricity for Heating Buildings, on March 16 at 7PM. Boston University professor Nathan Phillips will moderate a discussion with Cathy Kristofferson (co-founder of the Pipe Line Awareness Network for the Northeast) and Martyn Roetter (co-author of a white paper, Hydrogen versus Electricity for Heating Buildings). Register here.