Engineering

Researcher develops new way to measure defects in perovskite

Solar energy is becoming an increasingly popular source of renewable energy. Current solar panels with silicon as their primary component are affordable and reliable. However, the use of a relatively new material, perovskite, ...

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

Hydropower decline adds strain to power grids in drought

After water levels at a California dam fell to historic lows this summer, the main hydropower plant it feeds was shut down. At the Hoover Dam in Nevada—one of the country's biggest hydropower generators—production is ...

Energy & Green Tech

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.

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