Walking app helps tree lovers know their sycamores from their maples

Record traffic for TreeTalk sparks global interest as users reconnect with the species that line their streetsAn online mapping tool featuring the location and species of more than 700,000 trees in London has had a fiftyfold increase in visitors to its site since the coronavirus lockdown measures were put in place.The founders of TreeTalk, which creates a walk specific to a user’s location and identifies trees on the route, say an increase in people spending more time at home getting to kn