We know that reducing emissions from cars and factories is essential for cleaning our air, but new research reveals a chemical quirk in the atmosphere whereby slashing one pollutant can inadvertently increase the amount of another – in this case a harmful form of nitrogen deposited into the ocean.
A legal challenge has been filed against the City of London Corporation’s decision to replace the long-standing operators of three popular north London park cafes with a larger chain, a move that has sparked a celebrity-backed campaign and gathered more than 25,000 petition signatures.