[7][8] During the Committee of Supply debate in Parliament on 4 March 2020, then-Second Minister for National Development, Desmond Lee, announced that NParks would be launching a campaign, OneMillionTrees, to plant a million trees across Singapore over the next 10 years (i.e. by 2030).

Following the launch of the campaign, NParks aimed to double the number of trees planted annually.

[12] In 2019, Lee Choon Ping, a NParks manager, was tasked to procure about 10,000 hats for an upcoming garden festival.

Lee subsequently informed Tan that he wanted the refund paid personally to him in SGD 1,000 notes.

In 2022, Lee was convicted of attempting to obtain corrupt gratification, cheating, and insulting the modesty of a woman.