Transport properties Research update Harvesting the Earth’s infrared energy Could we use thermal radiation emitted by the ground beneath us as a source of renewable power? Read article: Harvesting the Earth’s infrared energy
Renewables Research update New generator creates electricity directly from heat Thermionic device solves the "space-charge problem" Read article: New generator creates electricity directly from heat
Renewables Opinion and reviews Letting the sunshine in A book about “sustainable” strategies for providing food and energy to a future population of nine billion, reviewed by Alison Walker Read article: Letting the sunshine in
Renewables Research update How to store electrical energy as heat New approach could help improve renewable-energy storage Read article: How to store electrical energy as heat
Renewables Video What aerodynamic considerations go into designing a wind turbine? Fulvio Scarano gives a whirlwind tour of the physics of wind turbines Read article: What aerodynamic considerations go into designing a wind turbine?
Renewables Feature Mopping up carbon David Appell examines new technologies that can suck carbon dioxide directly from the air Read article: Mopping up carbon
Renewables Opinion and reviews Beyond the executive summary Richard Muller's Energy for Future Presidents, reviewed by Gail Marcus Read article: Beyond the executive summary
Renewables Research update Siemens and Bosch pull out of major African solar initiative Desertec Industrial Initiative suffers potential setback Read article: Siemens and Bosch pull out of major African solar initiative
Renewables Video What is carbon capture and storage? James Verdon explains the principle of trapping carbon dioxide in rocks Read article: What is carbon capture and storage?
Renewables Video What is fracking? James Verdon describes how to squeeze out hard-to-reach shale gas Read article: What is fracking?