NEW YORK—On a warm Wednesday morning in June, half a dozen volunteers slip on waders and gloves provided by the Van Cortlandt Park Alliance, a small nonprofit dedicated to preserving and supporting the Bronx park. They are preparing to go to war with the water chestnut, an aquatic invasive species that has spread a dense … Continue reading New York’s Chronically Underfunded Parks Department Is Losing the Fight Against Invasive Species, Disrepair and Climate Change