Mulhouse Turns to Smart Irrigation for Its Urban Trees

When the thermometer climbs above 35 degrees for days on end, it is not only people who start to sweat. Trees in cities are also fighting for survival. Young trees in particular suffer during prolonged dry spells because their roots have not yet grown deep enough to reach sufficient water. The Alsatian city of Mulhouse is responding to this challenge with an idea that is as simple as it is effective: special watering bags are intended to make irrigation more efficient and help trees cope better with hot summers. The ...