) As Covid-19 forces people to shelter in place, deaths from air pollution drop, with Dr. Maureen McCue;

) Even a pandemic can't stop Trump's war on the environment, with Dr. Charles Goldman;

) Iowa porn shops remain open as other businesses file lawsuits to qualify as "essential services," with Dr. Charles Goldman;

) How to kill an artichoke, plus some actually good advice on urban farming in April, with Kathy Byrnes.