Figure 1. the Venice Canals © Cristina Gottardi. Image via Unsplash
From Wuhan to New York, the epicenter of the coronavirus is moving from east to west and leaving a staggering number of corpses behind. We read of alarming reports, contradictory news, and reminded every day that we live in unprecedented and difficult times. One good news, however: emissions in cities are on the decline, and nature is running its regenerative course. But how long will this last?