In Guarda, the highest city of Portugal, the air you breathe is healthy and light, typical of the mountain range where it is located - Serra da Estrela, the largest protected area in Portugal.  It is also from thi

For many centuries with its history linked to the sea and fishing activities, Aveiro has a special environment that is due to the three channels of the Ria which enter the city, creating reference axes and a natural division between the oldest and

In Portugal there are 12 areas classified by UNESCO as Biosphere Reserves where the conservation of biological and cultural diversity is reconciled with economic and social development, maintaining the balance between people and nature.