Readers discuss how to support sustainable behavioural change, and what doughnut economics can mean for Hong Kong.

Foodlink ensures surplus meals from a host of outlets go to underprivileged Hongkongers, with new pop-up store to launch soon.

One of the world’s largest contributors to plastic pollution, China is in urgent need of more efficient methods of plastic recycling and reuse, with a new study saying economic costs run into the billions.

As global food waste looks to exceed more than 2 billion tonnes by 2030, technology such as Nosh identifies food wasted at each stage of the supply chain to save still-good items from the bin.

Electronic waste in the world’s largest smartphone market is an increasing problem after mobile phone ownership reached 1.8 billion units in 2021.

Refuse buried in Tuen Mun landfill as daily medical waste levels reach twice the capacity of city’s only designated incinerator.

Japan’s complex waste collection system aims to ease the crushing weariness that trash collectors face. But as Yokohama-based writer Julian Ryall tells it, it can be a stressful experience for residents too.

Landfills close to full, a government dragging its feet, and the public’s indifference about recycling or sustainability leaves the city under growing pressure to implement solutions.

Food containers, water bottles, shower caps, toothbrushes – hotel guests can get through heaps of plastic in 21 days. We find out if anything can be done to cut it down.

From repurposing used milk bottles to recycling water barrels, big multinational chemical firms are helping recycle plastic waste in China amid growing pressure from regulators and customers.

Readers discuss the ‘most dangerous scenario’ for Washington, appeal for help for Afghan women, explore the effect of domestic helpers on Hong Kong children’s development and warn that our rubbish is breeding another environmental catastrophe.

They perform an essential task, moving bulky loads – of household waste and other things – on Hong Kong’s crowded streets, dodging traffic every day. Six photographers set out to draw attention to their plight.

More scientific approaches, learning from others’ successes and greater awareness are needed to preserve Hong Kong’s natural beauty.

Officials in Florida ordered more than 300 homes to be evacuated and closed a motorway on Saturday near the large reservoir in the Tampa Bay area north of Bradenton.

New Life Plastics will process up to 100 tonnes of plastic waste a day, and turn it into secondary raw material to be reused in the manufacture of new resin products.

China plans to recycle up to 35 per cent of household waste by 2020

Shanghai residents are trying to figure out how to separate their trash correctly