The Ultra Low Emission Zone (ULEZ) has come into force in central London. Drivers of older, more polluting vehicles are being charged to enter the congestion zone area at any time. Transport for London (TfL) hopes the move will reduce the number of polluting cars in the capital, and estimates that about 40,000 vehicles will be affected every day.
Sir David Attenborough says he still has “hope” for the future of the planet. But the Blue Planet and Dynasties narrator says that human beings have to turn their gaze away from themselves.