Online
Sign up now: Get ST's newsletters delivered to your inbox
INTERACTIVE
Getting people to mask up has saved countless lives amid the Covid-19 crisis. But the surge in the use of disposable masks is leading to a growing environmental problem.
Get unlimited access to exclusive stories and incisive insights from the ST newsroom
MDDI (P) 046/10/2025. Published by SPH Media Limited, Co. Regn. No.202120748H. Copyright © 2026 SPH Media Limited. All rights reserved.