‘Like caring for a pet’: the open-source tree map inspiring Berliners to water their urban forest

Gieß den Kiez app shows trees in critical need of watering and can be adopted by other heat-stressed cities around the worldAmanda Gläser-Bligh sometimes attracts puzzled looks when she goes to water the eight-year-old street tree she has adopted outside her door in Charlottenburg, Berlin.“I named her Linda the linden,” she says. “Berliners are not always known for being super friendly but most people react really positively when they find out what I’m doing.&r