In launching the environment protection program, Holcim employees along with the people in Puttalam planted 500 trees at the Puttalam cement factory premises.
The employees were called upon to tend the plants until it grows, a spokesman for Holcim Lanka Ltd said.
"Every employee gets an opportunity to plant a tree and tend to it daily in its early stages and the tree will be named after him.
This will help raise awareness on the environment among the employees ensuring their active involvement in making Puttalam Green, he said.
This environmental protection program expected, will have the active participation of schools in the district and the Puttalam Municipal Council.