PETALING JAYA, April 14 -- A Japanese man, known as Nana, made headlines last year when he went all out to clear 4,500 cigarette butts at the Ayer@8 area in Putrajaya within one and a half hours clean-up run with environmentalist group Trash Hero Putrajaya.

Four days ago, he joined another clean-up initiative in the GPS Cleanup #1 with 14 fellow volunteers, clearing 32.3 kilogrammes of rubbish at Cyber Mini Park within an hour.

"Thank you for joining our clean-up," he tweeted from his Twitter account.

"Let's make Cyberjaya cleaner and greener."

Trash and recyclable items collected and segregated include plastic bottles, aluminium cans, cigarette butts, straws, plastic cups and glass bottles.

Nana, who stays in Cyberjaya, enjoys volun...