clean

This little-known bottleneck is blocking clean energy for millions

This little-known bottleneck is blocking clean energy for millions

Comment this story Comment Meeting the US goal of diverting 80% of the country’s electricity from fossil fuels by the end of the decade will require a massive transformation. That means solar farms dotting the landscape from California to New York; offshore wind turbines towering over the waves off the coast of New Jersey; steam-emitting …

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A dynamic fractal discovered in a clean magnetic crystal

A dynamic fractal discovered in a clean magnetic crystal

Example of fractal structures in spin ice with a famous fractal example (the Mandelbrot set), above a photograph of water ice. Credit: Jonathan N. Hallén, Cavendish Laboratory, University of Cambridge The nature and properties of the materials are strongly dependent on the dimension. Imagine how different life in a one-dimensional or two-dimensional world would be …

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Is nuclear fusion a clean energy planet saver?

Is nuclear fusion a clean energy planet saver?

With the announcement of an expected “major breakthrough”, nuclear fusion harnesses the power of the stars with unlimited clean energy and no hazardous waste. The US Department of Energy plans to announce a ‘major scientific breakthrough’ at Lawrence Livermore National Laboratory – one of many sites around the world where researchers are trying to develop …

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Canada's top five federal contaminated sites will cost taxpayers billions to clean up

Canada’s top five federal contaminated sites will cost taxpayers billions to clean up

YELLOW KNIFE – At an estimated cost of $4.38 billion, the cleanup of Giant Mine, one of Canada’s most contaminated sites, is also expected to be the costliest federal environmental cleanup in the country’s history. The figure, recently approved by the Treasury Board of Canada, covers costs from 2005 to 2038, when active remediation at …

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