BBC5 个月
Pollution 'lower outside Clean Air Zone than in it'
Pollution dropped "significantly" across Sheffield after the introduction of the city's first Clean Air Zone (CAZ ... the Arundle Gate "bus gate" area saw a 27% reduction, meaning it went from ...
BBC1 年
London Ulez expansion: Do clean-air zones reduce air pollution?
Most studies show that clean-air zones reduce air pollution. Ulez has covered central London since 2019 and was increased to cover a wider area of inner London in 2021 before the latest expansion.