A model based on machine learning techniques and satellite data can predict whether reducing economic activity reduces pandemic infections. The aim is to better fine-tune the timing and degree of containment measures.
The months of lockdown, when less maintenance work was carried out in parks, coupled with one of the wettest springs in recent years, has seen city butterfly populations flourish in Barcelona. Thanks to Barcelona Citizen Observatory for Urban Butterflies lead by CREAF, some 28% more butterfly species were recorded in the city between May and June this year, with 74% more individuals than for the same period last year.
