LAHORE – Parks and Horticulture Authority (PHA) Chairman Yasir Gilani on Tuesday kicked off monsoon tree plantation drive by planting a sapling on the premises of Islamia High School here. The chairman called for a widescale plantation to eliminate air pollution and said that collective efforts were needed to create healthy and green environment. “PHA is coordinating with public, private schools and other educational institutes to increase green area in the city,” he said and added that during the campaign PHA would plant one million saplings in various areas of the city. He said the PHA prepared a comprehensive plan to engage students, traders, social and political leaders, and civil society members for that noble cause. A number of teachers and students present on occasion actively participated by planting several saplings.