**By Ayurella Horn-Muller (Climate Central), Brendan Rivers (ADAPT) and Danielle Uliano (WJXT)** At the height of the COVID-19 pandemic and during the ensuing economic slowdown, Jacksonville virtually shut down. Businesses shuttered their doors and most who were able to started working from home. That meant far fewer internal combustion engine vehicles were being driven, leading to massive reductions in air pollution and noticeably cleaner air. This feature story and radio and television segments were produced through a collaboration with News4Jax WJXT Channel 4 and ADAPT from WJCT Public Media. Click here for local reporting tools and suggestions. “There was definitely less traffic,” said Veronica Glover, a lifelong resident of Jacksonville’s Urban Core and the executive director of the Sister Hermana Foundation, a non-profit that helps families fighting cancer.…