In an editorial in Chevy Chase Patch, Mary Rivkin, associate professor of education, argues the importance of environmental justice, community health and childhood development to the decision-making process that is determining the future of the Capital Crescent Trail. “Planners take many variables into account, but the variable of economic development should not dominate the decision-making as it has in the case of the Purple Line. I suggest that other variables—environmental justice, community health and childhood development—now take precedence,” Rivkin writes. She urges developers to follow the model of “Highline Park in New York City, where a repurposed railway right-of-way has …