With so many people staying home due to social distancing and self quarantine, the environment is cleaner than it has been in a long time.
Satellite images from NASA and the European Space Agency show a significant drop in NO2 over China since "shelter in place" began in February.
See the images and full story here:
[AIRBORNE NITROGEN DIOXIDE PLUMMETS OVER CHINA]
Check out how clear the Venice canals are in this video. You can see fish in clear water.
For comparison, here are what the canals typically look like. This video is from 2015. You cannot even see the piers go into the water.
Dolphins have even inhabited the empty ports in Sardinia. There is always a silver lining.
Stay safe.