|Link to BBC web site|
"The Department for Environment, Food and Rural Affairs (Defra) has admitted many cities will not meet EU targets on air quality before 2020, while meeting London's targets could be as late as 2025.
"Existing levels are thought to cause about 3,000 people [in London] to die prematurely each year. Alan Andrews, an air pollution specialist with the environmental law organisation ClientEarth, said:
"We knew meeting the original 2015 target was going to be difficult, but I thought they'd give it a go - but they seem to have thrown their hands up and said 'it's too difficult'."