Reflections: Environmental History in the Era of COVID-19. Issue 4 (13th October 2020) - Alagona, Peter; Carruthers, Jane; Chen, Hao; Dagenais, Michèle; Dutra e Silva, Sandro; Fitzgerald, Gerard; Hou, Shen; Jørgensen, Dolly; Leal, Claudia; McNeill, John; Mitman, Gregg; Petrick, Gabriella; et al.