Editorial

Pandemic and climate change: two events that are mixed and, often, seem to be the same. The events of recent years, and especially 2021, have jeopardized the certainties which up until now, were grounded on that scientific knowledge could lead humanity along a safe path. For a while, we thought that the results of multiple theses, and the accumulated efforts to understand phenomena and solutions based on the concept of sustainability were in vain, given the threats of a ferocious pandemic, along with the frustrated attempts to contain climate change. The goals sought up until now have been greatly challenged.