Energy & Green Tech

UN urges 'complete transformation' of global energy system

Climate change risks undermining global energy security unless the use of renewables is dramatically scaled up, the UN warned Tuesday, suggesting the Ukraine conflict's ripple effects could speed up the green transition.

Energy & Green Tech

First commercial electric plane takes flight in Canada

The world's first fully electric commercial aircraft took its inaugural test flight on Tuesday, taking off from the Canadian city of Vancouver and offering hope that airlines may one day end their polluting emissions.

Robotics

Engineers program marine robots to take calculated risks

We know far less about the Earth's oceans than we do about the surface of the moon or Mars. The sea floor is carved with expansive canyons, towering seamounts, deep trenches, and sheer cliffs, most of which are considered ...

Hi Tech & Innovation

Garment with gills will do nicely as we swim to the bank

A breathable garment has been designed for underwater wear and it has futurists thinking along the lines of a wearable that we actually may need for daily tasks. To what extent would this clothing come in handy if sea levels ...

Sea level

Mean sea level (MSL) is the average (mean) height of the sea, with reference to a suitable reference surface. Defining the reference level', however, involves complex measurement, and accurately determining MSL can prove difficult.

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