10 key things that happened this week

Ten of the biggest stories from the past week: urban trees ‘not a solution’ for air pollution, air quality concerns over draft medium combustion plant guidance, EA calls for 25-year plan to be statutory document, Heathrow expansion beset by legal challenges, trade union urges Environment Agency to end ‘years of pay restraint’ and more…

Hyde Park, London
Planting more urban trees will do little to improve air quality, says AQEG

Urban trees ‘not a solution’ for air pollution

Academics have questioned the potential for more urban vegetation to improve air quality.

In a report published last week, DEFRA’s advisory Air Quality Expert Group notes that “trees in particular are regarded as beneficial for air quality, but they are not a solution to the air quality problems at a city scale”.

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