Before the pandemic hit, the city of Bilbao had the highest economic growth in Spain from 2000 to 2018, driven by a shift from heavy industry to a service-based economy. It also benefitted from a burgeoning tourism and culture sector, thanks to developments such as the Guggenheim Museum in 1998....

The purpose of this test is to determine the effects of a substance on the growth of freshwater microalgae and/or cyanobacteria. Exponentially growing test organisms are exposed to the test substance in batch cultures over a period of normally 72 hours. The system response is the reduction of...