the water level behind sedyan is about 17 meters lower than normal this year. for the amount of grass, which is not small , we have 1740 square meters of lawn area in the city of tehran. this is chitgar lake. to irrigate the lawns of tehran , water as much as a lake is needed, i.e. 70 million cubic meters. i remember that if urgent action is not taken, now with this lack of water, everything will be like a panacea . we should avoid planting grass separately. it is much better to plant trees. years that require an average of 50 liters per week per square meter and lawns require 56 liters of water . reducing the grass will reduce our water consumption . lawn surfaces require almost twice as much water as our caraway trees. if we want to plant, we must use species to grow the earth with less water, there are no valuable resources anywhere in the world blue itself in fact. grass for beauty and due to water poverty in our country, what has the municipality done? according to a 5-year plan, we have decided to reach 830 hectares, which means that we will have a reduct