No Tannenbaum, No Tannenbaum
I’m inclined to agree with folks who believe it just ain’t the holidays without a big ol’ Christmas tree hogging all the space in your living room. Putting presents around the Solstice branch doesn’t really cut it for me.
Then again, chopping down a beautiful, living tree doesn’t seem all that eco-sensitive, either. Is it possible to have a sustainable holiday and a traditional tree? Yes,
Go Wild at the World Wilderness CongressWithout Leaving Home
If you aren’t attending WILD9–the weeklong World Wilderness Congress (November 6-13) that will bring together many of the world’s leading conservationists and wilderness experts to debate and take action on critical environmental issues–you can still pull up a chair and join in through a variety of social networking tools that The WILD Foundation is using to broaden global participation in the event.
The WILD Foundation started
Printed paper solar cells
Solar panel materials are getting thinner and thinner. Now, MIT researchers have announced a method for printing solar cell material on paper.
The efficiency of this method is far lower than other kinds of solar cells. The paper solar cells have an efficiency of around 1.5-2%, while commercial silicon wafer solar panels are generally around the 15-20% efficiency range. However, the scientists point out that this
