Singapore has a land area of ​​718 square kilometers, but it maintains more than 10 ecosystems, with 23,000 to 28,000 species of terrestrial organisms and 12,000 to 17,000 species of marine organisms. Its biodiversity is as rich as a nature reserve. The Urban Biodiversity Index proposed by him has also been widely recognized and used around the world. 　　 Since 1963, Singapore has implemented greening plans and has experienced the evolution from a “garden city” to an “eco-friendly city in a garden”. In this regard, the relevant person in charge of the execution department interpreted it this way, “It’s a bit like ‘my home has a garden’ and ‘my…