questionText: To ask the Secretary of State for Transport, what assessment her Department has made of the potential (a) economic, (b) environmental and (c) health impact of a third runway at Heathrow.
answerText: An Appraisal of Sustainability and economic assessment were conducted before the Airports National Policy Statement was voted on by Parliament and designated in 2018.https://www.gov.uk/government/collections/heathrow-airport-expansion#appraisal-of-sustain...
heading: Heathrow Airport