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Articles: Renewable Energy (2193)

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Storing Heat Underground in a Geosolar System

As an engineer and permaculture designer living in a cold-climate, I am particularly fascinated with the interplay between thermodynamics and design and with capturing “waste” energy and finding novel, inexpensive and efficient ways to store and/or recapture and re-use it. One of …

More than One Way to Fall off a Cliff

The Energy Cliff is a key concept in ecological economics. Should we understand this Cliff as both a mathematical ratio and a historical reality?

Energy and Justice

The ability to harness energy creates wealth and confers social power.

Floating Solar: A Win-Win for Drought-Stricken Lakes in U.S.

Floating solar panel arrays are increasingly being deployed in places as diverse as Brazil and Japan. One prime spot for these “floatovoltaic” projects could be the sunbaked U.S. Southwest, where they could produce clean energy and prevent evaporation in major man-made reservoirs.

BP: Global Coal Use Fell by Largest Recorded Margin in 2015

Global coal use fell by more than 70 million tonnes of oil equivalent (Mtoe) – a 1.8% decline – in 2015, the largest annual reduction in records going back half a century, according to BP.

Diablo Canyon Nuclear Reactors to Be Replaced With 100% Renewable Energy

An historic agreement has been reached between Pacific Gas and Electric (PG&E), Friends of the Earth and other environmental and labor organizations to replace the Diablo Canyon nuclear reactors with greenhouse-gas-free renewable energy, efficiency and energy storage resources.

Renewable Electricity: Falling Costs, Variability, and Scaling Challenges

The universal availability and use of electricity has come to define modern life, at least for the vast majority of North Americans and western Europeans.

Presenting Our Renewable Future   

David Fridley and Richard Heinberg present on our energy future.

Distributed Renewables in Latin America and Beyond  

Latin America has had one of the fastest-growing renewable energy markets on the planet for the past several years, but nobody ever talks about it.

So where are the battery electric trucks?

Heavy-duty trucks are the main engines of civilization....If trucks stopped running, businesses would shut down within a week.

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