Something unexpected happened to last- mile delivery during the pandemic it got greener. With many people stuck at home, e-commerce sales skyrocketed.1 When supply chains started moving again, the ecosystem adapted fast, as people purchased more and different products online. Stores became fulfilment centres. Ship from store and curbside pickup emerged. Parcel drop density rose,Out of sheer necessity, new consumer behaviours and retailers responses to them changed last mile deliverys carbon foot