Changes to the HGV Road User Levy came into effect on Feb 1st giving lower polluting lorries discounted rates
UNICEF's Alastair Harper issues a heartfelt plea for bolder action to tackle air pollution
However large or small a company is, there are simple ways to cut its environmental impact and boost employee wellbeing, argues Claire McLoughlin from the UK Health Alliance on Climate Change
Latest plan to tackle UK air pollution will see government adopt WHO guidelines on particulate matter - but how will the new goal translate into action on the ground?
Green trade bodies and campaign groups respond to the government's latest attempt to strengthen its Clean Air Strategy
UK proposals include new regulations on farmers, wood-burning stoves and diesel cars
National Health Service promises to cut air pollution from ambulances and other vehicles 20 per cent by 2024 as part of drive for better air quality
Work on the 'opposed piston' design from Achates Power, which dramatically cuts nitrogen oxide pollution, has been backed by federal and state grants
General Court of the EU orders reversal to decision that allowed carmakers to exceed emissions limits by up to 110 per cent during on-road tests
German auto giant expects to potentially keep selling petrol and diesel cars until 2040, but its new models will be solely electric within eight years