••• “Thousands of students, emboldened by a growing protest movement over gun violence, stood up in their classrooms on Wednesday and walked out of their schools in a nationwide demonstration, one month after a gunman killed 17 people at a high school in Florida. The 17-minute protests unfolding at hundreds of schools are intended to pressure Congress to approve gun control legislation after the massacre at Marjory Stoneman Douglas High School in Parkland, Fla., and come 10 days before major protests in Washington and elsewhere.” Above: An adult ally took this photo of kids at P.S. 150 singing songs of peace. —New York Times

••• “Walmart Inc. will offer home delivery of groceries in 100 cities by the end of the year and launch same-day delivery in New York City, adopting a costly model it previously resisted as Amazon, Kroger and Target invest in similar services. Under the new program, online grocery orders will be packed in a Walmart store by company workers and then handed off to a delivery company or startup that uses contract workers to bring orders to homes.” And the environmental impact? This is another reason we need congestion pricing and real placard reform. —Wall Street Journal

••• “Some sections of Battery Park City are effectively invisible to the City’s 311 service and complaint hub [….] According to a presentation by Lucian Reynolds at the March 6 meeting of the Battery Park City Committee of Community Board 1, several areas of New York City that are governed by authorities (rather than the municipal government of the City), ‘are not required to funnel their information into the 311 data system.’ Mr. Reynolds, CB1’s district manager, continued, ‘that’s important because we are unable to look at how these areas are being served by the City in the same way that we can for other areas.'” —Broadsheet