A Glimpse at How CIGS Solar Cells Work
May 19, 2009
The copper, indium, gallium and selenide are carefully combined to style a semiconductor in the solar cell that absorbs solar heat, exciting the electrons that produce the electrical current. But the semiconductor cannot do it alone, and whether you picture the solar cell as a sort of sandwich, bene…
How To Build Homemade Passive Solar Water Heaters
May 18, 2009
Passive solar water heater can be easily built as a do-it-yourself (DIY) project and they are fairly cheap to build. One can easily manufacture one using a good solar water heater plan with other inexpensive raw materials which are usually available at home or in stores.These hot water heaters are m…
Happy Earth Day!
April 22, 2009
Here’s a nice post from Lifehacker. Happy reading!
[Source] JB
How to reduce your A/C costs by 30%
April 20, 2009
Happy Earth Week everyone!
I learned something new in the past couple of weeks. We recently closed on a house (yay!) and one of the first things I mused with our realtor about was, “should we install A/C?” The Bay Area in general has great weather, but the last few summers have had a…
Eco Treehouses
April 14, 2009
I’m in the process of house hunting, which is a faraway, tortuous affair. I won’t bore you with the details.
Anyway, our realtors always tell us to look at our potential neighbors and figure out whether they are the Clampetts - will they keep their yards nice and tidy, or will there be…
Is it about being green or the green?
April 9, 2009
The economy continues to battle through troubled times. Unemployment is near an all moment high, wages are down, uninsured numbers are on the rise, housing prices continue to fall, and trillions of dollars in wealth has evaporated. On top of that, we in California are facing one of the worst drought…
Green light for solar panels in Scotland
February 17, 2009
The majority of householders in Scotland will be able to install solar panels and other energy generating equipment without planning permission from now on, although government ministers have yet to decide whether to exempt wind turbines and air-source heat pumps.Ground-source and water-source heat …