In major cities around the world, dockless scooters and bikes are everywhere, yet the companies themselves are often breathtakingly short-lived. Basic economic concepts give us clues why.
Despite efforts to encourage a shift to sustainable transportation, traffic congestion is often the focus of debates over mobility. Motorists endlessly demand more roads, but is this really a solution?
Fulvio Amato, Consejo Superior de Investigaciones Científicas (CSIC) and Teresa Moreno, Instituto de Diagnóstico Ambiental y Estudios del Agua (IDAEA - CSIC)
Subways seem like the perfect solution to improve air quality in cities. But what about air quality underground?
Director of the Institute of Environmental Assessment and Water Research (IDAEA), Instituto de Diagnóstico Ambiental y Estudios del Agua (IDAEA - CSIC)