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Renewed water

SINGAPORE has been recycling wastewater since 2003. Treated sewage effluent, instead of being discharged, is further purified with tertiary treatment processes, making it ultra-clean and safe to drink.


Corporate control over farms

Small farmers are being squeezed out as mega-farms and plantations gobble up their land.


Swapping nature for nature

Conservationists are split over biodiversity offsetting, the promise to replace nature destroyed and lost in one place with nature somewhere else.


Fewer polar bear cubs

The reduction of sea ice level due to climate change is hitting polar bear numbers.


Saving rhinos: Our fatal blunders

Mistakes of the past have cost us many rhinos. Now’s the time to learn from the errors.


Keeping Sumatran rhinos safe

Veterinarian Dr Zainal Zahari Zainuddin says at the Borneo Rhino Sanctuary, they prioritise preventive measures against illnesses or infections in the rhinos.


White House goes solar

Roof panel, water heater will pay for themselves in energy savings over the next eight years.


Qat habit drains Yemen’s precious groundwater

National passion in Yemen for thirsty stimulant plant is threatening to exhaust resource.


Sumba powers up with renewables

Indonesian island hopes to spark green power revolution.


Stanford U moving away from coal

University says it will not directly invest in coal mining companies, but critics see challenges ahead.