Spain. The Spanish Prime Minister says thata scheme to divert part of the Ebro River in the north east to irrigate the parched south will make his country "more unified, more caring and more just." But the scheme has provoked one of the greatest public displays of anti-government sentiment Spain has seen since the days of Franco's dictatorship. Julian Pettifer investigates. And in the run-up to the Johannesburg summit on sustainable development, he asks why Spain has been so wasteful of its water. Producer Lucy Ash Repeated Monday 8.30pm