The Singaporean Catholics planted the trees as part of participating in the "OneMillionTrees Movement" of the National Parks Board of Singapore (NParks) on the morning of September 28.
As the 40th anniversary of the Jesuit Refugee Service (JRS) in 2020, 40,000 trees will be planted in Cambodia, Indonesia, the Philippines, and Thailand to strengthen their social and ecological systems.
Earth Day is an annual event on April 22 to demonstrate support for environmental protection. First held on April 22, 1970, it now includes a wide range of events including the planting of trees.