Introduction : the future taken seriously -- The future of democratic societies : a theory of intergenerational justice -- The temporal landscape of contemporary society : a theory of acceleration -- How do we know the future? : a theory of future studies -- How is the future decided? : a theory of decision -- Who is in charge of the future? : a theory of responsibility -- Chronopolitics : a theory of social rhythm -- Politics in a post-heroic society : a theory of political contingency -- The political construction of collective hope.