Tan Cheng Li

Recent and archived articles by Tan Cheng Li

27 Apr 2015 | 7:00 AM

A Copenhagen neighbourhood adapts to climate change

At the St Kjeld suburb, parks and streets double up as water storage basins to prevent floods.

Flood prevention: Tasinge Square is not just a park; it’s also a water retention basin, designed to hold back stormwater. It is part of Copenhagen’s climate adaptation plan to counter flooding. Photo: GHB Landskabsarkitekter
27 Apr 2015 | 7:00 AM

Copenhagen to be the world’s first carbon-neutral capital

Copenhagen aims to be the world’s most climate-friendly city by using less energy, and only the green type.

Green commuting: To encourage more people to cycle, the Copenhagen city council is improving biking infrastructure. The Bicycle Snake is the worlds first bike bridge and enables cyclists to cross the harbour for a shorter commute. Photo:
13 Apr 2015 | 7:00 AM

Danish innovations in water sector keep pollution at bay

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?

Blue again: Once regarded as a sewer, Aarhus River is now a popular commercial and recreation area in Aarhus, Denmark’s second largest city. An intelligent drainage management system has helped clean up the river and harbour, making the city much more liveable and vibrant. Photos: TAN CHENG LI/The Star
13 Apr 2015 | 7:00 AM

New wastewater treatment technology reduces risks from hospital effluent

A new wastewater treatment plant rids a Danish hospital’s wastewater of medicinal residues that ordinary sewage treatment cannot handle.

Harmful discards: Hospital wastewater is flushed with medicines and pathogens which until now, has received little attention. A Danish hospital has built a treatment plant specifically to handle this waste. Photo: TNS
30 Mar 2015 | 7:00 AM

Toxic contamination: Keeping TVs, computers, electronic waste out of landfills

With an ever-mounting plethora of electronic devices that become obsolete all too fast, e-waste has become a mountainous problem.

Recycle and recover: (Clockwise from top) Retrieving useful materials from e-waste such as these scrap computer motherboards will prevent the waste from filling up landfills and releasing toxic substances into the environment.
30 Mar 2015 | 7:00 AM

Recycling electronic waste safely

When handled properly, e-waste (made up of our broken electronic items) yields useful and valuable resources.

Cathode ray tubes are highly toxic due to the leaded glass and mercury dust, and so need proper processing.SAMUEL ONG / THE STAR, 2ND MARCH 2015.
9 Mar 2015 | 7:00 AM

Solar farm boosts Malaysia’s renewable energy supply

Country’s latest solar farm one of the most resource-efficient in the world.

Powered by the sun: Solar panels harness sunlight for energy in Kompleks Hijau Solar, a 8MW solar farm in Hang Tuah Jaya, Ayer Keroh, Malacca. Photos: SAMUEL ONG/The Star
2 Mar 2015 | 7:00 AM

Universiti Malaya aims for zero waste

Universiti Malaya maximises recycling to minimise its waste.

Recycling food: Food scraps collected from food outlets in Universiti Malaya are heaped into piles to decompose into useful compost. Photo: AZHAR MAHFOF/The Star
16 Feb 2015 | 12:00 AM

Where do old clothes go?

New year, new garb. But what happens to the old ones which you’ve dutifully dropped into the recycling bin?

New uses: At the Brackwell Malaysia textile recycling factory in Port Klang, Selangor, old clothes and household textiles are given another shot at life. Photos: AZLINA ABDULLAH/The Star
16 Feb 2015 | 7:00 AM

Old clothes can be renewed into something useful

One company throws a lifeline to old garments by transforming them into a new product.