UN Sustainable Development Goals: Sustainable Cities and Communities

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Researchers are harvesting green energy from ground vibrations

Vibrations in the ground are found everywhere. They occur when cars pass by, when machines are operating, or when the earth’s crust moves. For most of us, these are invisible forces. For researchers, however, they represent something far more exciting: an untapped source of clean energy.

Floating ports are being tested out in a large test basin in Trondheim

Betting on floating ports

Building a port on land takes time. On water, the job can be done quickly. Hagbart Skage Alsos and his research colleagues at SINTEF are investigating how to build floating ports.

Making it easier to recycle your house

A new method makes it possible to gain an extensive overview of the materials in our homes. It could be an important step toward a more circular economy.

Switching diesel locomotives to electric

Locomotives that run on diesel can be electrified. This would both cut CO2 emissions and significantly reduce overall energy consumption, according to a new study.

Dynamic cables – the umbilical cord of ocean installations

Imagine that the wires to your house not only have to withstand high electrical current flow, weather and wind, but also salt water, ocean currents, temperature changes and large movements. This is the big challenge in connecting large, electrical structures at sea to the power grid.

Valuable raw materials being discarded at sea

The world needs more of the valuable nutrients found in fish viscera, liver and roe. Yet, much of this raw material is being thrown back into the sea. There are good reasons to stop this wasteful practice.