Colombo district Mayor Rosy Senanayake today (22) stated that a mobile phone application would be implemented to understand the origin and interactions with other plants and animals etc. to promote food security in the city of Colombo. She stated that the purpose of this was to identify and store digital data on plants, granting virtual ownership to existing students in Colombo. She stated this at the launch of the sapling plantation done by the Colombo Municipal Council and the Ministry of Environment today. "Under the first phase, 15,000 saplings will be planted in selected locations in the city of Colombo to coincide with Earth Day today, and 100,000 saplings will be planted within the Colombo Municipal Council limits by the end of 2021 under this programme," she stated. The Colombo Municipal Council and the Ministry of Environment has launched a project to plant 100,000 new saplings within the limits of the Colombo Municipal Council in the year 2021 at the Vihara Maha Devi Udyanaya, Colombo today under the patronage of the Mayor Rosy Senanayake and the Mahinda Amaraweera, Minister of Environment. "The main reason to save a tree for Colombo is that Colombo, the largest city in Sri Lanka as well as the financial capital, has a population of approximately one million. Many government and private offices, businesses and schools are located in the city of Colombo, so the number of visitors during the day is much larger than the number of people living there," Senanayake said.