the public was informed about the secret study of the US Army but nothing was written in the newspapers about the contribution of the woman from Philadelphia and her colleagues

The Industrial Great Smog of Delaware: How Philadelphia’s Hard-Won Lessons Rewrote American Environmental Law

Beneath the Canopy of Giants: Why Preserving Urban Forests Became Philadelphia’s Ultimate Ecological Shield

The Delaware’s Ecological Comeback: Cleaning Up the East Coast’s Industrial Backbone

An Oasis Amid the Asphalt: How the Relic Tinicum Marsh Became America’s First Urban National Wildlife Refuge

Choosing a Memorial in Philadelphia: What Families Need to Consider