The global skies have been pretty dark metaphorically over past months. They have been pretty gloomy too here literally for much of the time.I’m lucky enough to look out of my window in Belgrade at trees and sky. Sadly though that view is often rather murky, with visibility limited to the great oak trees at the end of my garden.One glimpse of a silver lining in the metaphorical clouds is the growing political, media and public attention focused on air quality.BLOG: https://blogs.fcdo.gov.uk/sianmacleod/2020/11/27/bad-air-days-and-silver-linings/