Energy & Green Tech

In Iceland, CO2 sucked from the air is turned to rock

At the foot of an Icelandic volcano, a newly-opened plant is sucking carbon dioxide from the air and turning it to rock, locking away the main culprit behind global warming.

Engineering

Harvesting drinking water from humidity around the clock

Fresh water is scarce in many parts of the world and must be obtained at great expense. Communities near the ocean can desalinate sea water for this purpose, but doing so requires a large amount of energy. Further away from ...

Engineering

Sunlight to solve the world's clean water crisis

Researchers at UniSA have developed a cost-effective technique that could deliver safe drinking water to millions of vulnerable people using cheap, sustainable materials and sunlight.

Engineering

Device mimics the mangrove's water-purifying power

The mangrove tree survives in its subtropical habitat by efficiently converting the salty water of its environment into fresh water—an engineering feat that has long baffled scientists.

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