Who you ask and how you ask matter, as does why you are asking — the history of opinion polls shows they are as much about creating opinions as they are about recording them, writes socialist historian KEITH FLETT

THE move by London Mayor Sadiq Khan to extend the low emissions zones out across the capital must be welcomed. It is the type of radical measure needed if endemic pollution, as well as climate change, are to be addressed.
The regret must be that while there do seem to be very real efforts being made to address the problems caused by motor vehicles, the same cannot be said for aircraft.
Above our heads, the skies simply fill with ever more planes. The City Airport capacity has expanded, with Heathrow on the verge of building another runway.

PAUL DONOVAN recommends three new books that explore the human relationship with nature

PAUL DONOVAN recommends an excellent stage adaptation of Stephen King’s classic portrayal of the the injustice of the US prison system

Labour councillor PAUL DONOVAN wonders why the right-wing party gets so much more media attention than it seems to merit

PAUL DONOVAN relishes the spectacle of a 1950s detective in pursuit of a 500-year-old murder mystery