Mining the moon

If you were transported to the Moon this very instant, you would surely and rapidly die. That's because there's no atmosphere, the surface temperature varies from a roasting 130 degrees Celsius (266 F) to a bone-chilling ...

Why you can't have free trade and save the planet

When Donald Trump recently announced tariffs on steel and aluminium imports he was condemned by proponents of free trade across the world. His critics said the US president had not understood how protectionist policies would ...

Solar heat could make power + water for Namibia: study

A research study from Stellenbosch University finds that a 100 MW concentrated solar power (CSP) plant adapted to also "co-generate" water via multi-effect distillation (MED) would potentially be financially viable for Namibia ...

Concept could sustainably meet human resource needs of 'full Earth'

A new concept proposes to provide food, energy and water resources for the world's growing population by combining systems that simultaneously use different parts of sunlight's spectrum to produce crops, generate electricity, ...

Renewable energy has robust future in much of Africa: study

As Africa gears up for a tripling of electricity demand by 2030, a new Berkeley study maps out a viable strategy for developing wind and solar power while simultaneously reducing the continent's reliance on fossil fuels and ...

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