A Bill to establish a right to breathe clean air; to make provision about reducing air pollution; to require the Secretary of State to set, measure, and report on air quality targets; to establish the National Clean Air Agency to enforce air quality targets; to make provision for the development of sustainable public, private and commercial transport by road, rail, air and sea; to restrict the use of polluting vehicles in urban areas; to prohibit the sale of new petrol- and diesel-powered vehicles from no later than 2030; to make it an offence to remove permanently devices that reduce vehicle emissions; to make requirements regarding indoor air quality; and for connected purposes.