When Stanley Yap Wei Lun, 37, needs leafy greens, he just walks out to the backyard to harvest them.
The founder of Persatuan Kebajikan Orang-orang Tua Bahagia Selangor (En Yuan Old Folks Home) in Petaling Jaya has 33 vegetable containers – called Hope Boxes – which use a terrarium system that self-regenerates for months without fertilisers.
