Tech Xplore - water levels

Research proposes a self-powered movable seawall for tsunami protection and emergency power generation

With over 2,780 fishing ports and 993 commercial and industrial ports, Japan faces the challenge of safeguarding these important coastal assets from the destructive forces of tsunamis. A promising solution lies in the form ...

Jan 24, 2024

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A new system for producing green hydrogen cheaply and efficiently

What does it take to produce green hydrogen more efficiently and cheaply? Apparently, small ruthenium particles and a solar-powered system for water electrolysis. This is the solution proposed by a joint team involving the ...

Dec 13, 2023

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Fresh water is a hidden challenge, and opportunity, for global supply chains

Reports of lengthy shipping delays for vessels traveling through the Panama Canal this year have highlighted the critical but often overlooked role that fresh water plays across global supply chains. Drier than normal conditions ...

Nov 9, 2023

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Climate change will affect hydropower—African countries must be prepared, researcher says

Hydropower provides clean electricity to millions in Africa. It's the largest source of renewable energy on the continent and accounts for nearly one quarter of total electricity generation in sub-Saharan Africa. Some countries, ...

Sep 5, 2023

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Climate change challenges hydropower-dependent Austria

High in the Austrian Alps, hundreds of construction workers toil in a huge underground project aimed at storing hydropower as climate change has reduced the country's water-dependent electricity production.

Jul 9, 2023

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Hot spring baths block Japan's geothermal potential

With over 100 active volcanos, Japan has the world's third largest geothermal resources, but also a powerful industry that has steadfastly opposed developing the sector: hot springs.

Mar 14, 2023

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The controversial plan to release Fukushima plant's wastewater

Twelve years after a nuclear catastrophe triggered by a massive earthquake and tsunami, workers at the Fukushima Daiichi plant in northeast Japan are preparing to release treated wastewater into the sea.

Feb 15, 2023

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A strategy to stabilize water-splitting photoelectrodes for solar-to-hydrogen production

In recent years, engineers have been trying to devise new technologies to produce and store energy more sustainably, with the hope of overcoming the global reliance on fossil fuels and to fight climate change. A solution ...

Jul 12, 2022 feature

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Radioactive fuel, contaminated water: the Fukushima clean-up

Eleven years after a devastating tsunami hit Japan's northeast, thousands of workers at the Fukushima Daiichi nuclear plant are involved in the complex and decades-long process of decommissioning the site.

Mar 11, 2022

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11 years later, fate of Fukushima reactor cleanup uncertain

Eleven years after the Fukushima Daiichi nuclear power plant was ravaged by a meltdown following a massive earthquake and tsunami, the plant now looks like a sprawling construction site. Most of the radioactive debris blasted ...