Energy & Green Tech

Greening global economy brings dependence on critical minerals

After nearly a century of geopolitical tension over access to oil, experts worry that the global transition to clean energy is creating new dependencies on the critical minerals needed for solar panels, wind turbines and ...

Energy & Green Tech

Portugal bets all on renewables after abandoning coal

As the UN steps up calls to make the switch to renewable energy to fight the global climate emergency, Portugal is among the first European Union countries to abandon coal.

Hardware

Researchers want to make salt printing marketable

Materials scientists Nicole Kleger and Simona Fehlmann have developed a 3D printing process for creating salt templates that they can fill with other materials. One area of application is the creation of highly porous lightweight ...

Energy & Green Tech

Finland hopes new nuclear reactor eases energy crunch

After over a decade of delays, the deafening sound of Finland's new Olkiluoto 3 nuclear reactor finally running its turbine at full power was welcomed with joy—and relief.

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.

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