Many Chinese cities are suffering from deteriorating environmental quality—particularly due to air pollution that contributes to fog and haze. Air pollutant levels now far exceed "safe" limits established by the European ...
Energy & Green Tech
Nov 15, 2016
7
10
In 2013, Serbia announced its goal of having 27 percent of the country's power be generated from renewable sources by 2020. Hitting that target will require building additional clean energy facilities, but figuring out what ...
Energy & Green Tech
Jun 7, 2016
0
16
Despite their hefty price tag, smartphones have an average consumer lifetime of about three years. The lithium ion batteries that power them, however, can last for about five years—meaning that just about every discarded ...
Energy & Green Tech
Apr 19, 2016
3
1397
Researchers at the Université du Québec have recently conducted a survey of four Canadian cities to determine the economic feasibility of installing geothermal heating systems in homes in Montreal, Halifax, Vancouver and ...
Energy & Green Tech
Oct 23, 2015
0
57
The Rocky Mountains certainly aren't known for their mild winters. But in contrast to the upper Midwest, which seems to exist in a perpetually frozen state from November through March, the plains just east of the Rockies ...
Energy & Green Tech
May 12, 2015
40
46
How did fuzzy logic help a group of researchers in Tunisia and Algeria create an ideal photovoltaic system that obeys the supply-and-demand principle and its delicate balance?
Energy & Green Tech
Feb 24, 2015
0
35
Think of the pressure change you feel when an elevator zips you up multiple floors in a tall building. Imagine how you'd feel if that elevator carried you all the way up to the top of Mt. Everest – in the blink of an eye.
Ecology
Apr 14, 2014
0
0
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 maximize their efficiency ...
Energy & Green Tech
Apr 1, 2014
0
0
Through a process known as thermionic conversion, heat energy—such as light from the sun or heat from burned fossil fuels—can be converted into electricity with very high efficiency. Because of its promise, researchers ...
Energy & Green Tech
Dec 3, 2013
12
1
A trio of researchers at North Dakota State University and the University of South Dakota have turned to computer modeling to help decide which of two competing materials should get its day in the sun as the nanoscale energy-harvesting ...
Nanophysics
Oct 1, 2013
0
0
