Inequality turns green: sustainable living is not for everyone's budget. Experts call for public policies so that no one is left behind.

The green revolution – as urgent as it is necessary – highlights existing gaps and produces some new ones. Citizen unrest gives rise to greater protests, greater support for populist parties and growing disaffection and disinterest in efforts to stop climate change. A growing geography of discontent has emerged in Europe, says Andrés Rodíguez, Princess of Asturias.