Energy & Green Tech

Major Japan railway now powered only by renewable energy

Tokyo's Shibuya is famed for its Scramble Crossing, where crowds of people crisscross the intersection in a scene symbolizing urban Japan's congestion and anonymity. It may have added another boasting right.

Energy & Green Tech

The energy turnaround won't happen on its own

The surge in gas and oil prices triggered by Russia's invasion of Ukraine could help speed the energy transition. But high prices won't be enough to ensure it succeeds; smart policies are still needed, writes Florian Egli.

Energy & Green Tech

How rising gas prices emphasize the need for renewable energy

The war in Ukraine has caused oil prices to surge to the highest level since 2008, with gas prices in some areas of California creeping up to $6 per gallon. Rising prices have led renewable energy advocates like Tesla CEO ...

Energy & Green Tech

Fukushima region forges renewable future after nuclear disaster

Solar farms along tsunami-ravaged coastlines, green energy "micro-grids" and the experimental production of non-polluting hydrogen: 11 years after its nuclear nightmare, Japan's Fukushima region is investing in a renewable ...

Energy & Green Tech

A new way to store sustainable energy: 'Information batteries'

A future powered by sustainable energy sources could save the world from devastating climate change and reduce energy bills. But renewable energy has an intermittency problem—the sun provides no power at night, while winds ...

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