31 March 2020
By Adam Vaughan
People in Chinese cities usually plagued by harmful air pollution are breathing far cleaner air. Boat‑free canals in Venice, Italy, are have been clear enough to see fish. And for the quarter of the global population now living under a coronavirus lockdown, a lack of cars and planes has made the world quieter and birdsong more apparent.
While there are signs of easing pressure on the environment, no credible environmentalists say the response forced by the pandemic is a solution for the challenges the world …