Organisations including The City of London Corporation, The Royal Parks, The National Trust, Lee Valley Regional Park Authority, Queen Elizabeth Olympic Park, Crystal Palace Park, and Parks for London have issued a joint plea. West Ham Park (Image: City of London Corporation)The latest heatwave comes amid ongoing dry conditions, raising the risk of wildfires and environmental harm. Darren Share, director of parks at The Royal Parks charity, said: "London’s parks are a lifeline for millions during extreme heat, offering shade, space and refuge, but in hot, dry weather, the risk of wildfire escalates. Wildfire concernsEnvironmental managers say the city’s parks, including Hampstead Heath, Richmond Park, Epping Forest and Morden Hall Park, have become especially vulnerable after weeks of hot, dry weather. He said: "Many of Lee Valley Regional Park’s London sites are vulnerable during prolonged hot, dry weather.