Portsmouth Herald PORTSMOUTH – On Thursday, April 29 at 7 p.m., award-winning author, consumer advocate and environmental activist Erin Brockovich visits The Music Hall’s virtual stage as part of the Writers on a New England Stage series, now being presented in an intimate, online format. Just one week after Earth Day, Brockovich will take part in a timely conversation about her new book "Superman’s Not Coming," a stirring call to action showing what’s at stake with the condition of water on our planet. Through exposing fraudulent science and telling community stories impacted by the crisis, Brockovich gives us the tools we need to make our voices heard, to ensure our water is safe, and to finally bring about change.