Le dimanche 9 juin 2024, se dérouleront les élections européennes, fédérales et régionales belges.
Nous vous proposons une liste évolutive de références d’articles et d’informations :
2021
Five times in the last 500m years, more than three-fourths of marine animal species perished in mass extinctions. Each of these events is associated with a major disruption of Earth’s carbon cycle. How such catastrophes occur remains mysterious. But recent research increasingly points to the possibility that the Earth system – that is, life and the environment – may experience a cascade of disruptions when stressed beyond a tipping point.