Coalition of green groups urge new city mayors to use their powers for green investment, ahead of local elections today
Sarah Olney accuses Conservatives of treating voters with 'utter contempt' by trying to delay air quality plan due to purdah and then leaking details of plan before local elections
Impending air quality plan expected to contain proposals for a "targeted" diesel scrappage scheme to help get the most polluting cars off the road
Number 10 says it will not appeal court decision, meaning plan has to be released by 4pm on May 9th
Campaign led by Conservative think tank Bright Blue claims government is far off meeting its 2015 target of planting 11 million trees by 2020
UK government backs tougher limits, which could prevent 20,000 premature deaths across the EU
Government bid to delay plan until end of June rejected, as court sets new deadline of 4pm on May 9th
Members of cross-party Environment, Food and Rural Affairs Committee say delay to air quality strategy is "unacceptable" and call for urgent action to tackle the problem
Court to conduct a hearing on Thursday over government's application for a deadline extension for its air quality plan
Andrea Leadsom yesterday insisted the government regards action on air pollution as a priority, but that is hard to tally with yet another delay to its flagship air quality plan