Unique solar lab shines year-round light in Stockholm
Stockholm is one of the world's most sunlight-deprived capitals for almost half of the year. But now, the city's premier technical university, KTH Royal Institute of Technology, is home to one of the world's ...
Technology could make treatment and reuse of oil and gas wastewater simpler, cheaper
Oil and gas operations in the United States produce about 21 billion barrels of wastewater per year. The saltiness of the water and the organic contaminants it contains have traditionally made treatment difficult and expensive.
Apple to invest 1.7bn euros in Ireland, Denmark data centres
US tech giant Apple said Monday it would invest 1.7 billion euros ($1.9 billion) in two data centres located in Ireland and Denmark, to boost online services in the European market.
Hydropower completes greening of Norway
The Norwegian energy supply can be sustainable by 2030, according to new research. Politicians simply have to keep their promises.
Kaiser joins Google, Apple in buying clean energy
Google and Apple are not the only big companies harnessing California's sunshine and wind to power their workplaces.
Superconducting material limits short-circuit currents
Siemens develops superconducting fault current limiters for limiting short-circuit currents in the grid. Superconductors show zero resistance below the critical temperature and below the critical current. ...
Researchers developed a cost-effective and efficient rival for platinum
Researchers succeeded in creating an electrocatalyst that is needed for storing electric energy made of carbon and iron.
Gear technology helps lower cost of wave energy farming
A Swedish company has cracked the challenge of scaling up wave energy, with the help of technology from researchers at KTH Royal Institute of Technology.
Dryers: Homes' energy guzzlers just got greener
For the first time in six years, Energy Star certification, a standard seal of approval for energy efficiency, has been expanded to include another major household appliance.
Video: Solar power from energy-harvesting trees
Scientists at VTT have developed a prototype of a tree that harvests solar energy from its surroundings - whether indoors or outdoors - stores it and turns it into electricity to power small devices such as mobile phones, ...
Oil slump not necessarily bad news for climate
Since the 1970s, the renewable energy sector has usually trembled each time oil goes through the "bust" phase of the commodity cycle.
Utility poised to double solar rooftop capacity based on tests of inverter reliability
Inverter load rejection overvoltage (LRO) tests completed by the Energy Department's National Renewable Energy Laboratory as part of a cooperative research agreement with SolarCity have proven so successful that a testing ...
China wind power capacity jumps to record high
China boosted its installed wind energy capacity last year to a record 19.81 million kilowatts as the world's biggest greenhouse gas emitter tries to switch its power grid to cleaner energy sources.
Google buys Altamont wind energy to power Googleplex
Google has spent $1.5 billion around the world on clean energy projects cutting the pollution from millions of users clicking on search links, watching YouTube videos and sending emails, but now it's found a powerful electricity ...