Scotland's First Minister Alex Salmond wants his country to become the green energy capital of Europe. But are his goals feasible? Show more

David Miller looks at whether the love affair with the car is damaging people's health, and reveals how little is being done to cut emissions on the streets. Show more

David Miller reports on the brewing war over fracking, as those opposed to and in favour of it battle for the hearts and minds of the nation. Show more

Reporter David Miller goes in search of Scotland's landowners to investigate whether it is fair that so much of Scotland's private land is concentrated in so few hands. Show more