24/10/2022

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 ...

Engineering

Molecular cage protects precious metals in catalytic converters

Sometimes, solutions to environmental problems can have environmentally unfriendly side effects. For example, while most gas-powered cars have a catalytic converter that transforms engine emission pollutants into less harmful ...

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