Cleaner air: Before (top) and after (below) photographs of a fan fitted with the filter clearing the smoky air inside a box. -The Straits Times / Asia News Network
PEOPLE here will have a new, relatively inexpensive way to protect themselves at home if haze returns, as feared in the next few months.
Researchers from the National University of Singapore (NUS) have come up with a new indoor filtration system that can dramatically reduce levels of small toxic particles called PM2.5.
