Recent and archived articles by Tan Cheng Li
At the St Kjeld suburb, parks and streets double up as water storage basins to prevent floods.
Copenhagen aims to be the world’s most climate-friendly city by using less energy, and only the green type.
In Denmark, tap water is as pure as spring water and the sea off city harbours are clean enough to swim in. How is that so?
A new wastewater treatment plant rids a Danish hospital’s wastewater of medicinal residues that ordinary sewage treatment cannot handle.
With an ever-mounting plethora of electronic devices that become obsolete all too fast, e-waste has become a mountainous problem.
When handled properly, e-waste (made up of our broken electronic items) yields useful and valuable resources.
Country’s latest solar farm one of the most resource-efficient in the world.
Universiti Malaya maximises recycling to minimise its waste.
New year, new garb. But what happens to the old ones which you’ve dutifully dropped into the recycling bin?
One company throws a lifeline to old garments by transforming them into a new product.