Financial Times: Villagers shell almonds in the evening shade as a pensioner wends her way home on a donkey laden with food from the market. Overhead, a rare Bonelli’s eagle soars as church bells summon the faithful to mass, a sound that has echoed through centuries. Welcome to the Sabor river valley in north-east Portugal, Europe’s front line in the battle against climate change. While attention has focused on the effect of cutting greenhouse gas emissions on the steel foundries and blast furnaces …