Three years ago, the city decided to buy 40 compactor trucks and two dump trucks. After 3 years of operation and because of its decision to have the operations managed by private contractors , UNEP said, Las Pi as saved P140 million and garbage is now rarely seen on the streets. Through the Clean and Green Council, Las Pi as has organized a group of environment-conscious students. Every weekend, all public schools conduct clean-up activities. Environmental awareness is also included in the students' subjects, and essay and painting contests and seminars are organized.
Companies donate plastic garbage bags for distribution to the different barangays.
Las Pi as maintains 70 tree parks and playgrounds in almost every barangay. Trees and ornamental plants have been planted and landscaped and nurseries are maintained.