When COVID-19 arrived, usual human activity around the world paused or slowed, and nature responded to the opportunity. Even in major urban areas, people remarked on the clearer, crisper, star-… Click to show full abstract
When COVID-19 arrived, usual human activity around the world paused or slowed, and nature responded to the opportunity. Even in major urban areas, people remarked on the clearer, crisper, star- brightened night skies. This issue's collection of interesting papers provides insights into ways the natural world responded, but it would seem worthwhile to take a step back and frame that phenomenon in its intellectual and epidemiological context.
               
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