ClientEarth is an environmental lawyers organisation that brought the case to the Supreme Court. It comes after the Court of Appeal declined an application for judicial review of the Government's plans to improve air quality.
Today Lord Carnwath JSC backed ClientEarth's case, ruling the Government is breaching article 13 of the EU Air Quality Directive.
More top news
Police are investigating whether a Land Rover Defender found burnt out in West Horsley was involved in Tuesday night's ram raid.
The work, called Gift Horse, replaces the giant blue cockerel that previously sat on the plinth.
50 of the country's worst pollution blackspots are in the capital. Many in places you may visit every day.