Cities want to put technology to use making the urban environment more efficient but what do the people who live there want?
Daytime in the city: Will we still work in offices in future and how damaging is urban air to our health?
How will we get to work in the future, and what is being done now to ease congestion in our cities?
What makes a city smart? And what do two contrasting UK cities tell us about the moves to smart tech?
A look at some of the more unusual buildings that we may find in our future cities.