COP27 is this week. The Eyedropper makes us think about climate conferences and their goals
High mountains are among the regions most affected by climate change. We analyse why they are important and what problems they are facing today.
JORGE OLCINA answers: Clouds are formed by condensation of air vapour in the atmosphere. Despite their simple, smooth and generally graceful appearance and their varied shapes as suspended bodies in the air, the process of cloud formation is a very complex and largely unknown physical and