Page 42 - Nitrogen Dioxide News Today : Breaking News, Live Updates & Top Stories | Vimarsana

And there are questions about the benefits it will deliver. city hall has claimed the policy has reduced nitrogen dioxide levels by around 30%. but an initial study by a team at imperial college found it had only helped lower n02 levels by around 3%, with a negligible effect on ozone and particulate pollution. the mayor's office later wrote to the college urging them to re—examine their findings. so the true benefit of all this is a bit of a mystery. let's talk to bob ward, policy director at grantham research institute on climate change and the environment. thank you for being with us, perh...

Decrease in air pollution. but there's been other studies that looked at a longer period, another group that found 26% reduction in nitrogen dioxide over the year following its introduction. so it's clear that the ultra low emission zone that was established in april 2019 has now been expanded and has reduced air pollution in london. and it's important to note that the air quality in london is still way above the levels recommended by the world health organization, so the air, although it's better than it has been, is still not safe. fin although it's better than it has been, is still not saf...

A spectrometer launched into orbit in the spring is collecting data on air pollution over North America.

This is ealing in west london, and i'm on the boundary of the current ultra low emission zone. anyone heading in that direction across the junction into central london has to pay £12.50 if their vehicle doesn't meet the required emissions standards. from midnight, that boundary will be significantly expanded to cover all 32 london boroughs. expanding the zone has proved divisive. we've been breaching legal limits for more than 12 years now for a toxic gas, nitrogen dioxide. and these pollutions have been shown to stunt children's lungs in the city, and also cause huge illnesses for people thr...

This green area shows the current zone in central london, and this is what it will look like from tomorrow. this is ealing in west london, and i'm on the boundary of the current ultra low emission zone. anyone heading in that direction across the junction into central london has to pay £12.50 if their vehicle doesn't meet the required emissions standards. from midnight, that boundary will be significantly expanded to cover all 32 london boroughs. expanding the zone has proved divisive. we've been breaching legal limits for more than 12 years now for a toxic gas, nitrogen dioxide. and these po...