Mars tech electrifies Earth
Some of the wind turbines generating electricity on Earth today grew out of technology developed in the 1990s for settlements on Mars.
Altering shipping routes for offshore wind development could save billions
(Phys.org) —Rerouting ships to open up areas for offshore wind development could save billions of dollars in construction and operating costs for the renewable energy source, according to new findings by ...
Tornado-stricken town rebuilds with clean energy
After a mammoth tornado wiped out most of Greensburg, Kansas, in 2007, supporters of clean energy seized on an unusual opportunity to rebuild a town from the ground up with the latest green technology.
Energy tower for producing electricity set for Arizona
Spanish island to be fully powered by wind, water
The smallest and least known of Spain's Canary Islands, El Hierro, is making a splash by becoming the first island in the world fully energy self-sufficient through combined water and wind power.
Pollution top concern for U.S. and Canadian citizens around Great Lakes
With Earth Day approaching, a new Great Lakes survey by U.S. and Canadian researchers represents one of the largest attempts in recent decades to assess public views on a wide range of issues in the Great Lakes basin.
Ikea buys wind farm in Illinois
These days, Ikea is assembling more than just furniture. About 150 miles south of Chicago in Vermilion County, Ill., the home goods giant is building a wind farm large enough to ensure that its stores will never have to buy ...
High-altitude wind turbines have potential to generate large amounts of electricity
(Phys.org) —Wind turbines hovering high in the air and tethered to the ground, like kites, have the potential to generate huge amounts of electricity, based on a recent wind availability study led by the ...
German government okays wide reform of green power switch
The German government approved Tuesday a sweeping reform of a law on its vaunted green "energy transformation" to reduce subsidies for renewables and stem rising electricity prices.
Wind energy: On the grid, off the checkerboard
As wind farms grow in importance across the globe as sources of clean, renewable energy, one key consideration in their construction is their physical design—spacing and orienting individual turbines to ...
Wind power cost competitive with natural gas, study finds
(Phys.org) —The costs of using wind energy and natural gas for electricity are virtually equal when accounting for the full private and social costs of each, making wind a competitive energy source for ...
Buoyant Airborne Turbine to harness winds in Alaska
Wind farms can provide society a surplus of reliable clean energy, study finds
The worldwide demand for solar and wind power continues to skyrocket. Since 2009, global solar photovoltaic installations have increased about 40 percent a year on average, and the installed capacity of wind ...
A new algorithm improves the efficiency of small wind turbines
In recent years, mini wind energy has been developing in a spectacular way. According to estimates by the WWEA-World Wind Energy Association, the level of development of the mini wind energy industry is not ...