Archive for October, 2007

The House that Trash Built – Columbus, OH

Friday, October 26th, 2007

Story submitted by Barbara Revard

Nearly ten years ago the Columbus Zoo and Aquarium realized the need to build a new barn for our goats, sheep, ponies, llamas and chickens. This realization was no small endeavor as these domestic animals are easily one of the biggest attractions to our youngest visitors!

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As with most planning projects, we quickly had too many GREAT ideas! What began as a little red barn ended up as a new region of the Zoo, Habitat Hollow, a “place with space for everyone”. The main attraction of Habitat Hollow is My House, an interpretive storybook house where our guests are engaged with the natural beauty of habitats found right in their own backyards. The educational theme for My House highlights the beauty and diversity of North American habitats and the diversity of life found within them.

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The Zoo made a commitment early in the planning process to engage community partners in exploring innovative building processes and practices. The Solid Waste Authority of Central Ohio (they manage our local landfill) assisted us in collecting polystyrene lunch trays from 70 schools in our area. When cleaned, those trays were an ingredient in a manufacturing process, along with concrete, to create building blocks which form the exterior walls of My House. Literally, the trash that built the House. Other green elements are detailed in the illustration below.

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Certainly, when talking about living more lightly on the earth, energy consumption is a topic to discuss.

The Zoo was assisted in installing a 1 kilowatt solar system on My House, by:

  • Third Sun Renewable Energy (especially Geoff Greenfield)
  • American Electric Power who donated the solar panels (especially John Hollback and Paul Loeffelman)
  • The Foundation for Environmental Education (especially Glen Kizer)

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The panel is functioning both by producing electricity, and also as serving an educational opportunity for our guests. Inside the kitchen of the house are a meter and an interpretive panel. When visitors exit the kitchen of the house, a solar panel is visible on the roof overhead. One of the main intentions at My House was to highlight actions that our visitors could participate in at their own homes. While some families might be able to invest in a solar system, apartment owners might find container gardening on their patio the best fit. We just hope to provide options and inspiration for various green endeavors!

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No home would be complete without a garden shed and ours is illuminated with a light tube, also courtesy of the Foundation for Environmental Education. The small unit fits into a hole in the roof and sheds light throughout the interior display. Guests are always surprised when they realize that the light in the shed is all provided by one small, unobtrusive light tube.

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Don’t think we forgot about the goats and the ponies that started this project! My Barn also contains green building materials including reused timbers from an old barn, recycled content siding, shingles and a rain barrel. Habitat Hollow also uses an old fashioned windmill to power the aeration pump in our farm pond.

You might wonder, “Does the exhibit work?” We have been conducting evaluations for 4 years now and feel good about the overall learning and understanding of our original messages. More to the point though, we received a letter from a mother that really made us smile. Her family had visited the exhibit several times and the young boy always paid attention to the panel in the kitchen which shows the story of the reclaimed polystyrene lunch trays. When his birthday came around the 7 year old asked his mother if they could have party and not use any throwaway goods – no paper plates or polystyrene cups for him! Instead he wanted to have party which would use reusable goods. Message received!

Meals now cooked with the Sun

Monday, October 22nd, 2007

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Story submitted by Glen Kizer

In many countries there is a principle in their legal system known as “Good Samaritan Laws” that make it a duty for people to help others in need. If you see someone drowning, but you cannot swim, you are not required to jump in and try and save them because you would be at serious risk yourself. But if you are not at serious risk, you are required to help others in need. In the United States, Good Samaritan Laws are designed to remove the worry you might have about being sued in case something goes wrong with your attempt to prevent the person from drowning. We are a litigious society and here it is not only the risk of harm to our physical life that might creation some hesitation to help another person in trouble, but the concern that the person we are trying to help might later sue us. Many countries require you to help. In the US, we don’t require you to help, but if you choose to, we may help reduce the risk of a lawsuit being filed by the victim or the victim’s family. It is a subtle, but important difference and I think of this whenever I am in the building of “Project Open Hand” in downtown San Francisco.

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In 1985, Ruth Brinker, a retired grandmother who could cook heard of a close neighbor with AIDS dying-from malnutrition. She began cooking and delivering hot meals to seven people. Demand from the community grew quickly, as did financial and volunteer support. San Francisco’s Trinity Church loaned Ruth their kitchen and Project Open Hand (POH) was born.

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Project Open Hand has broadened the reach of its services to include seniors and those who are homebound and critically ill in San Francisco and Alameda County.

In an average month, Project Open Hand provides:

  • 36,000 meals to clients with HIV and other critical illnesses
  • 32,000 lunches for seniors
  • Groceries for over 5,000 clients

There is paid staff, but it is the huge number of volunteers chopping up vegetables and getting meals and grocery bags ready for delivery 365 days a year that is the most amazing part of this operation from where I was standing recently on the roof of POH. They had just completed a project with PG&E to add both solar electricity (23 kW) and solar thermal water heating for the kitchen to the roof of the POH building in downtown San Francisco. In addition to all the good they do in their primary mission, they want to reduce pollution while they are doing it.

Here are some images taken by Dan Schuman, Operations Director at Project Open Hand:

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The PG&E donation will help produce 30,000 kWh of clean electricity and more than 170,000 gallons of clean hot water each year. It is a unique project. Many buildings have solar electricity and many others have solar thermal water heating systems. Very few buildings have both. If nothing else, it is also an educational roof. For anyone who is confused by the two technologies they can see solar electricity and solar thermal heating systems within a few feet of each other. I am already suggesting schools tour the roof to see the two technologies working in partnership to create two forms of energy that every building needs.

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POH expects to save about $12,000 in the first year through lower utility bills. POH is also planning on a phase 2 for both the solar electricity and the solar thermal water heating systems. They are an ambitious group. Just listen to POH Director of Operations Dan Schuman.

Here are some more images taken by Dan:

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“Money not spent on overhead is money we can spend on services,” says Dan. “$12,000 adds up to 6,700 home delivered meals.”

The rooftop solar energy systems were dedicated on September 13, 2007 at a solar celebration in which a group of people gathered to hear POH Executive Director Tom Nolan, PG&E CEO Bill Morrow, San Francisco Treasurer Jose Cisneros, San Francisco Assessor-Recorder Phil Ting, San Francisco Commission on the Environment President Paul Pelosi, Jr. and Dan Schuman. PG&E volunteers staffed the kitchen and had to stop cooking long enough to run up and listen to their CEO thank everyone and then they all ran back to the kitchen.

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But it wasn’t just the dignitaries who showed up. Solar City (Lyndon Rive), the system integrator for the solar electricity system was there, as was Luminalt (Noel Cotter), the contractor for the solar thermal water heating system, and Schuco, the manufacturer of the solar thermal panels and it was not just their Presidents. They wanted their employees to see that this project was special because the work being done by Project Open Hand is special. I also need to mention Karalee Browne of PG&E who was so instrumental in this project. Karalee is pregnant and her belly grew as the project grew. And only a few of us know how much Alyssa Newman worked to make the entire solar energy part of the project a huge success. For profit corporations and non-profit corporations and government and individuals all with different backgrounds and somewhat different motivations, but with a common goal to thank the people at Project Open Hand for the work they have been doing to make meals for those who cannot make their own meals and for adding the “environment” to their “to do” list. The POH motto is “meals with love.”

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I was there representing the Foundation for Environmental Education and two little things left a lasting impression on me.

  1. Project Open Hand fixed lunch for all of the guests at the solar celebration. It was just like we were another group that needed a good hot meal. And the meal was delicious. I even had a cookie.
  2. That Dan Schuman ended by saying, “I love to talk about what the new energy systems do for us in terms of providing energy to us that we don’t have to buy and that saves us money. But I also like to point out what it doesn’t do.It doesn’t pollute!And we will reduce CO2 greenhouse emissions by 2 million pounds over the life of the two systems.And we plan on expanding both the PV array and the solar thermal water heating systems.”


With all of the meals and groceries coming out of a kitchen that never gets a day off, they are also concerned about their responsibility to their community. They never tire, they never hesitate, and they never stop doing good work. When I walk through the POH building, I find the people friendly and helpful and so much is being done for so many. Many of us think about doing good and many of us do a few good things. The people at Project Open Hand can actually be called “Good Samaritans.”

Solar Power 2007 – Workshop Presentations

Tuesday, October 16th, 2007

We held a Solar Schools Workshop at Solar Power 2007. For those of you that were not able to attend, please do take a look at the presentations, and feel free to follow-up with the presenters.

Several states and hundreds of schools around the country have active solar schools programs, which bring a combination of active system installations (grid tied and stand-alone), hands-on solar activities & curriculum, and real-time data monitoring and visualization to the hands of students, teachers, administrators, and the public at large. The intent of these programs is to illuminate the solar possibilities and teaching principals in the classroom, catalyze interest in solar as a technology in the home and community, and provide specific tangible activities to develop the minds of our future thought leaders.

The first portion of this workshop will have a panel of solar schools program implementers offering insight into their programs, and will follow with a Q&A from attendees. The second half of the workshop will be spent learning from experts in energy and environmental education such as The NEED Project, the Rahus Institute, and Solar Energy International. We will spend some time “in the classroom” making connections from active solar installations to standards in the classroom, and then we’ll head outside to put some hands-on solar gadgets into action. After the hands-on action, we’ll come back to the classroom to share resources, and discuss opportunities to bring in depth training and programs to participants’ schools.

A special thanks to our participants, and sponsors:

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Some of these PDF presentations are a little large – so please be patient with the download. If you have any difficulties – please send an email to info @ learnenergy.org, and we’ll help you!

Go Solar, and Kill-a-Watt!

Thursday, October 11th, 2007

Hello! My name is Mario Visinoni and I go to Paradise Intermediate School in Paradise, California. I am in 8th grade and have a strong interest in Earth Science, including solar energy. Solar can minimize your energy bill in many ways. Even if you do not have solar energy, you can save energy through conservation. A kilowatt meter is one way to check how many watts your everyday appliances use.

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Kilowatt meters are extremely easy to use. You simply plug your meter into the wall and then plug your appliance into the meter. My particular meter has four buttons: volt, amp, watt, and kilowatt-hours (kWH).

By pressing one of these buttons you can view how much an appliance is using. The most common brand of kilowatt meters is the KILL-A-WATT®. The meters can range in price anywhere from $30.00 to $40.00. Buy.com, Amazon.com, Shopping.com, and Bizrate.com are all online warehouses that carry kilowatt meters.

Many people believe that when an appliance is plugged in but turned off that it doesn’t use any energy. This is not true! An Epson® Powerlite Projector uses 4 watts when turned off and 240 watts on. By the type of the appliance the wattage will obviously increase and decrease.

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Using a thousand watts for an hour equals one kilowatt-hour. So if lights are on for two hours using 1,000 watts per hour, it would use two kilowatt hours (kWH.) At Evergreen 6, a PG&E Solar School, our system will make about 7 kilowatt-hours on an average summer day. So the lights would use up a little less than a third of the solar energy brought in that day.

Many people don’t realize that almost every appliance in their house uses some sort of energy, even being turned off. One eMac® computer turned off for a weekend will use 144 watts. Every year that same computer will use 6,912 watts (about 6.9 kilowatt hours.) Paradise Intermediate School has about 70 eMac® computers. All energy combined for those 70 computers turned off for one weekend, the wattage would be about 10,080 watts (10.08 kilowatt-hours.) For every year that equals 193.8 kilowatt-hours!

The following list shows appliances at our school and how many watts they use:

  • A Panasonic® Microwave (OFF): 123 watts
  • An eMac® PC (OFF): 4 watts
  • Conair® Hair Dryer (ON HIGH): 1497 watts
  • Motorola Talkabout® charger (charging): 123 watts
  • Yacker Tracker® Plugged in: 6 watts
  • Goldstar® mini-refrigerator (see picture): 86 watts while running, approximately 1kwh every 2 days
  • A Power Strip with following appliances: eMac®, RCA® Boom-Box, and a Panasonic® VCR (OFF): 18 watts
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    Using this data, we can figure out approximate costs. Mini Fridge: Approx. 15kwh/month, 180kwh a year. At $0.10 a kwh, that equals $18 a year. When you multiply that by 272 teachers, it costs the district $4896 a year!

    If each of those teachers has a power strip that is “on” with the above plugged in appliances turned “off” for a year the following energy use would result:

    • 18watts x 24 hours =‘s 432 watts x 365 days =‘s157.68 kwh x 272 teachers =‘s 42,888.96 kwh x $0.10 =‘s more than $4288! Remember, that is when the appliances are OFF! WOW! That is REAL money!

    As you can see, the amount of energy used can decrease significantly by just turning off power strips when they are not being used. Remember, even the smallest thing can really make a big difference in your energy bill.

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    -Submitted by Mario Visinoni

    Thanks Mario for the great lesson in conservation! So many people are focused on going solar that they skip the simple steps in reducing their energy use. Often times, it is much cheaper to find “leaks” in your system to save energy…and sometimes going solar makes all of us look for these leaks to make the solar go even further. The “off” power strips are often referred to as “phantom loads,” or “vampires.” These suck energy with no real benefit.

    Depending on your television, you might use more energy on standby than using the TV. For example: You watch television 2 hours a day, using 100watts of power on so the total = 200watts. Off, your same television uses 10 watts per hour. Over the other 22 hours, you use 220 watts!

    Especially at schools, where some electronics are not even used weekly, by all means unplug them or turn off the power strip. By being careful about your energy use, you may be able to get a much smaller solar system to meet your new and improved energy needs. Happy watt hunting!

    California Teacher Sheds Light On Solar In Germany

    Thursday, October 4th, 2007

    Let us introduce you to an energetic, hands-on science and gardening teacher from Oakland, California. Sue Morgan has taught elementary science for fifteen years. At Sequoia and Glenview Elementary, Mrs. Morgan emphasizes a responsible energy future to the adults of tomorrow. As a PG&E solar school teacher, a member of the NEED/ PG&E California Teacher Advisory Board, and recently a Fund for Teachers recipient, Sue has a solid background on the topic of solar. Here is what she submitted about her recent trip to learn about solar in Germany:

    I was the proud recipient of a grant from the Fund For Teachers (which has funding for K-12 teachers, within specific urban areas of the US, to go on summer education trips – www.fundforteacher.org). As the Science teacher at Glenview Elementary School, the first PG&E Solar School in Oakland California, I was interested in researching and observing first-hand the major solar electric installations that have gone up in Germany over the past few years. Germany has distanced itself from all other countries in the world in committing and following through on alternative forms of electricity production. I took advantage of my fellowship to visit, in person, four of the largest PV Solar Parks in the world, all of which are located in Germany. Germany’s increase in solar electric installations is quite impressive: 2003, 145MW; 2006, 968MW. An increase of over 600% in 3 years! An astounding 40+ percent is in residential power!

    For my fellowship, I chose to also attend the Intersolar. The intersolar is an international conference and trade show to spotlight solar electric designs and innovations which has been held in Freiburg, Germany for the past 6 or 7 years. Having lived in Germany after graduating from college oh so many years ago, I did have to do some pretrip refresher sessions on my German language abilities. In attending the Intersolar 2007 I found it amazing, overwhelming and a bit disjointed for someone from the under-funded education and nonprofit world. But once I got past the costs involved in the exhibitors’ stalls and booths (multiple flat screens for viewing, couches, tables, chairs, the plethora of give aways; pens, pencils, canvas bags, flyers, Frisbees) and got focused on what some of the new technologies are and I was impressed: Solar glass handling much of the power needs on a skyscraper floor; rolled out solar sheets which are less bulky and labor intensive to install on roofs; solar imbedded in roofing materials. There was a lot of solar electric for heating. All of these were being done in many areas of Europe and Asia.

    After the three day conference we set off in search of some of the largest solar electric installations in the world. It was inspiring to actually see these PV Solar Parks in situ, knowing that they were producing 5-12 megawatts of power (enough to power 1700-4000 households) and emitting NO greenhouse gases. Just observing the ‘Potential Possibles’ made me feel simply elated. That a promised innovative technology- capable of producing what we all need without present pollution or never-ending toxic waste- has been given an arena to prove itself, is indeed a reality suffused with hope.

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    Solarpark Pocking… 10MW powering 3500 households, also allowing sheep to continue grazing.

    In 2006 alone, Germany installed over 960 MW of electricity. These installations included residential and commercial in large and small spaces. Installations that I visited were located in rural areas not far from major cities, but actually situated on the outskirts of small villages. Many residents were aware of their hidden power plants, but in one case when we were ever so close, I jumped out of the car to ask fine tune directions from a fire fighter and discovered he knew nothing one of the world’s largest solar electric plant no more than 2 miles from his firehouse. Then again, he may not have been from the community… but from a larger city.

    All but one of the solar parks were experiencing rain on the day we found ourselves visiting and 3 of the 4 had sheep and/or goats that were grazing on grass growing underneath the panels. None of the parks were far from residential areas so there was little loss of power in transport. Most of the Solarparks were really not part of the visual landscape and only one had signage to let you know you were getting close. These parks were not easy to find, meaning they were not on major motorways. Back roads and small communities are where these parks are found amid rolling fields of grapes, wheat or just plain grazing land.

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    Sheep sharing the Gut Erlasee field with 12MW of solar power.

    I am more convinced than ever that solar can truly be a part of our future electric needs. Since all of the large solar parks are on farm land, it seems as though they have one field for wheat, another for corn and then one for panels which power the area. If they can power 1500-4000 households, that is a lot of power for a field to produce. Yes, they still need to grow food. Hopefully, those in charge will make sure the money does not become the sole reason for solar decision making. It’s that moderation, that balance, that we must strive for instead of profits over people and the planet. Yes, there is another way to look at what makes a community strong and healthy and how we choose to live.

    As a science teacher, this fellowship allowed me to see first hand the size and impact these large installations are having. I have seen the panels near the Mojave Desert here in California, whose landscape calls for more solar, but these areas in Germany are part of farmland, rolling hillsides. The weather in mid-late June was overcast with daily bouts of thunderstorms and lots of rain… for perhaps an hour or so followed by sunny skies again. My assumption is that if they are actually producing enough electricity with that kind of weather, we in California should certainly get moving on installing as much solar electric as we can (and with our Solar Initiative 2006 we are)!

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    Solarpark Muehlhausen Germany 6.3MW powering 2025 households.

    I read recently that California is on pace in 2007 to install more solar electric than all California installations in the previous 30 years. So, it does seem as though we are waking up and committing to a future with a future. I have also recently read an op ed piece that touted nuclear energy as the ‘greenhouse gas free’ alternative energy source that will help slow climate change. There was no mention of the pesky toxic, and when we are talking nuclear toxic, we are talking life toxicity for THOUSANDS of years. This is toxic residue that no one in 50 years has figured out how to deal with in a competent way and for good reason. So NUCLEAR to me is a dirty, pardon the pun, secret that has no viability in our future. I think it is irresponsible of politicians and business people to discuss it as something that might have a future.. purely because they might be able to make a better profit on it. Yes, solar is still expensive, but thousands of years of toxicity will be pretty expensive itself and it’s not as though we do not have alternatives to try out with serious financial backing first. Germany provides the real-time now example of one way to attempt this experiment.

    As a teacher, I feel it is important for me to inspire my students to push for a solar future, for these children will be paying their own electric bills before we know it. Sharing with the students, their parents and the community at large, my first hand experience of massive solar that works, may just help educate a larger percentage of the Dimond and Glenview Communities on how viable solar really is. If it can happen in Germany in such numbers, it can certainly happen here.

    Sue Morgan Glenview Elementary, Oakland CA.


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