:00:00. > :00:17.Campaigners for cleaner air say London is in the grip
:00:18. > :00:20.of a health emergency and are urging all political parties
:00:21. > :00:27.Our Environment Correspondent, Tom Edwards, reports on how
:00:28. > :00:31.the parties are reacting - realising it's an issue that
:00:32. > :00:37.A community in Kennington demanding action on bad air.
:00:38. > :00:40.My name is Aoife, I'm seven years old...
:00:41. > :00:43.They want all parties to sign their Clean Air pledge.
:00:44. > :00:46.I want to try and clean up the pollution in the air.
:00:47. > :00:49.so when I get older I won't have lung disease or problems
:00:50. > :00:57.There needs to be a Clean Air agenda.
:00:58. > :01:00.We can't continue like this, this is a killer.
:01:01. > :01:02.We are pretending it's not there because you can't see it,
:01:03. > :01:10.ARCHIVE: Here is the main source of atmospheric pollution.
:01:11. > :01:13.The last big political intervention on air quality
:01:14. > :01:19.The Clean Air Act banned coal after the great smog,
:01:20. > :01:25.There are now calls for new legislation to tackle
:01:26. > :01:31.About 50% of nitrogen dioxide is due to road traffic.
:01:32. > :01:35.The mayor says he can deal with about half of that
:01:36. > :01:38.with his ultralow emission zone where the polluter pays,
:01:39. > :01:41.but he'll need help from whoever is elected here to deal
:01:42. > :01:47.Children here at the Royal Brompton see the impact of London's high
:01:48. > :01:51.levels of pollution, especially nitrogen dioxide.
:01:52. > :01:57.These doctors want action and this week,
:01:58. > :02:00.took their message to Downing Street.
:02:01. > :02:04.It is about removing the vehicle fleet,
:02:05. > :02:07.removing the vehicles that are most polluting, particularly
:02:08. > :02:14.In Kennington, the Women's Equality Party, the Greens,
:02:15. > :02:18.the Liberal Democrats and Labour all pledge to clean up pollution.
:02:19. > :02:21.We really do want to see a diesel scrappage scheme because we think
:02:22. > :02:25.getting diesel cars off our roads is the most important thing we can
:02:26. > :02:28.do to improve the air quality, particularly in London,
:02:29. > :02:31.particularly in places like Kennington.
:02:32. > :02:39.The running that Sadiq Khan has done in London with higher emission
:02:40. > :02:43.zones and his toxicity charge have to now become national and that's
:02:44. > :02:49.As we got rid of smog in the past, we need to do with this and it needs
:02:50. > :02:56.We do need a diesel scrappage scheme, and you know who should pay?
:02:57. > :02:58.The car-makers should pay because they are the ones
:02:59. > :03:01.who cheated on the standards we established at a European level.
:03:02. > :03:05.The Conservatives didn't attend this event, they say they would only
:03:06. > :03:08.charge diesel drivers as a last resort.
:03:09. > :03:11.The real public health issues are in areas of
:03:12. > :03:14.our main cities where there are particular problems.
:03:15. > :03:19.That's where we should be focusing our effort.
:03:20. > :03:22.We don't want to see a national programme of penalising motorists.
:03:23. > :03:30.Clean air campaigners say London is now in the grip of a health
:03:31. > :03:30.emergency and say all parties should make tackling it a priority.
:03:31. > :03:35.So Tom any difference in the ways the parties are handling it? I think
:03:36. > :03:38.you can detect differences in how they'll get the behaviour change and
:03:39. > :03:40.get people out of the older, more polluting Decemberles. Labour seem
:03:41. > :03:43.to say they'll charge the older Decemberles to go into more polluted
:03:44. > :03:47.area. Conservatives say they will only do that as a last resort. I
:03:48. > :03:49.have to say campaigners are describing that approach as
:03:50. > :03:54.ineffective. Another issue is the courts are involved in all of this
:03:55. > :03:58.protest due to environmental lawyers taking the Government to court on a
:03:59. > :04:02.number of occasions over this issue. Their founder said recently they are
:04:03. > :04:06.going to have to oblige the Government to do things, not ask
:04:07. > :04:09.them. It is feasible that the courts could create the pollution policy,
:04:10. > :04:10.whoever wins this election. It will be interesting to see what
:04:11. > :04:23.happens. In other news, a teenager has died
:04:24. > :04:28.after a mass brawl in Enfield last night where he was stabbed. A man
:04:29. > :04:31.was stabbed and killed also in daylight in east London, the latest
:04:32. > :04:35.victim was 18. Two other teenagers were taken to hospital but their
:04:36. > :04:42.injuries are believed not to be life threatening.
:04:43. > :04:47.Tomorrow's weather and rain will spread in from
:04:48. > :04:53.It'll die out a bit by the afternoon but it'll still be
:04:54. > :04:56.cloudy with the temperature reaching 17 Celsius.
:04:57. > :05:01.That's it from the BBC London weekend team.
:05:02. > :05:17.Monday is looking damp not whet for most. Not as lovely as Sunday. This
:05:18. > :05:21.picture sent in. Lovely conditions. This is where the weather is coming
:05:22. > :05:25.from off the Atlantic and the will he pressure that swung in from quite
:05:26. > :05:29.far south. This is where the air is coming from. It'll be quite warm
:05:30. > :05:34.with the rain. The rain most of the time won't be heavy but across the
:05:35. > :05:38.hills, particularly around western Britain it will be heavy. Here it
:05:39. > :05:44.is, through the early hours of the morning, into the south-west, Wales,
:05:45. > :05:45.moving into Northern Ireland, and western parts of Scotland. At this