The Mayor’s team are proposing to introduce an ultra-low emission zone in the city centre, which it says has the potential to deliver dramaticbenefits in air quality. Boris Johnson also hopes it'll spur on mass take-up of zero and low emission vehicles.
But ClientEarth, the organisation which brought today's case, says current policies need to be made more ambitious.
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Celebrations to mark St George's Day have started in Trafalgar Square with feasts and tea to be found in abundance.
People took to the streets of Brixton today to march against what they see as the 'gentrification' of the area.
A mother has issued an appeal for information after her "quiet" son who had a "lovely smile" was found dead in the Thames.