Which is the most hayfever-prone city and is ‘botanical sexism’ to blame?

Allergy sufferers from Tokyo to London are struggling as pollen levels surge in cities, possibly due to a preference for male trees In 2016, Melbourne experienced a rare and extreme case of thunderstorm asthma that led to ten deaths and 8,500 people being abundant allergenic pollen. Some are dioecious plants, which have their own distinct sex, and some are monoecious plants (those with male and female flowers on the same plant) that have been cloned to be male. The last few times I was in London, for example, almost every single willow tree I saw was now a male clone; almost all of the bay trees being sold and planted were males; virtually all of the many species of poplar …

Carmageddon: its killing urban life. We must reclaim our cities before its too late | George Monbiot

Land Rovers latest ads tell us that gas guzzlers contribute to urban culture. They do the opposite, says Guardian columnist George Monbiot What is the best way of wrecking a city? Pour cars into it. Heavy traffic, they use 60%. The car eats the public space that could otherwise become parks, cycle lanes, markets and playgrounds. Land Rovers new advertisements for its marketed as the Range Rover for the city, which sounds like a contradiction: SUVs like this were originally designed for dirt roads in the countryside. But now, according to the agency behind this revolting campaign, we are features the supermodel Adwoa Aboah driving through Brixton, staring at the interesting street life as if on a human safari and …