When the green minicab service was founded in 2006, low-emission cars were a novelty, but as pollution regulations tighten and EVs become increasingly commonplace, how will it keep its edge?
Latest plank of President Obama's climate change plan will see carbon emissions and fuel consumption of trucks cut by 25 per cent within the next decade
Cash will help develop city-centre "living labs" to monitor air quality in urban centres
Environment Agency dishes out total fines worth over £900,000 to United Utilities and contractor KMI +
New strategy aims to deliver cleaner air to the capital's busiest shopping district
IEA report calls for clean energy strategy, investment and targets in order to prevent 3.3 million global air pollution deaths by 2040
ClientEarth's legal challenge over government air quality plans will now be heard by the High Court in October
London mayor reiterates vows to tackle air pollution as new figures reveal unequal health impacts in the capital
Parliamentary research briefing highlights how a third of fish in the English Channel are contaminated with microplastics
Bodies representing more than 300,000 doctors, nurses and other health professionals around the world call on G7 leaders to accelerate transition away from coal-fired electricity