In recent years, due to climate change, the number of droughts is increasing worldwide. In Spain they are becoming more and more common, especially in the Mediterranean areas. We can highlight Catalonia, for example, a region that in recent months has been suffering from a depletion of its water reserves. This means a shortage of one of the most important resources on Earth, fresh water, which is a fundamental part of countless processes worldwide, from livestock farming to energy generation.More specifically, the renewable hydrogen generation sector requires a continuous supply of water....