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Reversing Global Warming while Meeting Human Needs

by gmoke
Sat Jan 12th, 2013 at 05:51:00 PM EST

Reversing Global Warming while Meeting Human Needs: An Urgently Needed Land-Based Option
Friday, January 25, 2013
2:00 - 4:00 PM, ASEAN Auditorium
The Fletcher School, 160 Packard Avenue, Medford, MA
Reception to follow

Allan Savory, Rancher and Restoration Ecologist, Founder of the Savory Institute and originator of the Holistic Management approach to restoring grasslands, winner of the Buckminster Fuller Challenge Award, and finalist in the Virgin Earth Challenge
Presented by CIERP's Agriculture, Forests, and Biodiversity Program with the Friedman School's Agriculture, Food, and Environment Program and Planet-TECH Associates

Free and open to the public. Convened by the Agriculture, Forests, and Biodiversity Program of the Center for International Environment and Resource Policy at Fletcher;
the Agriculture, Food, and Environment Program of Tufts' Friedman School of Nutrition Science and Policy; and Planet-TECH Associates.

First in a Series of "Creating the Future We Want" Events.

While  governments  posture and  dither, a pragmatic  practitioner and intellectual entrepreneur, Allan Savory,has been developing and demonstrating a powerful technique that can reduce carbon dioxide in the atmosphere immediately while reversing desertification and providing livelihoods and food for millions of people. His applied research based in Zimbabwe on the restoration of grasslands  has  now  been  replicated  on millions  of  acres worldwide. The application of his methods has the potential to significantly reduce atmospheric carbon through an increase in plant growth and soil formation. This process begins immediately and involves no new technologies, only a shift to the Holistic Management practices for livestock that he has pioneered. Major organizations and institutions are now recognizing his work, but climate scientists and governments have yet to incorporate it into their analyses and policy prescriptions.


Read more... (5 comments, 459 words in story)

You Can't Steal a Gift: Peer to Peer Politics

by gmoke
Mon Nov 26th, 2012 at 04:43:27 AM EST

November 6, 2012, the MIT Center for Civic Media and Department of Urban Planning had a conversation on "Peer to Peer Politics" with Steven Johnson, author of Future Perfect: The Case for Progress in a Networked World moderated by Aaron Naparstek, visiting scholar at MIT's DUSP, and featuring Harvard Law School's Yochai Benkler, Susan Crawford, and Lawrence Lessig. Video of the event online.

To my mind, the discussion was less about the electoral politics we usually associate with that word and more about how peer-to-peer [P2P] networks are already being used among diverse populations for civic activities and many other things.  When Susan Crawford, founder of OneWebDay, paraphrased Kevin Kelly by saying "The internet was built by love. It's a gift," (The Web Runs on Love, Not Greed), I thought  of the idea and the story behind the title of the book You Can't Steal a Gift about jazz players Dizzy Gillespie, Clark Terry, Milt Hinton, and Nat King Cole by Gene Lees (Lincoln, NE:  Univ of NE Press, 2001 ISBN 0-8032-8034-3):

Phil Woods:  "I was in Birdland, stoned, as I often was in those days.  Dizzy and Art Blakey kidnapped me.  Took me home to Dizzy's and sat me down and said, 'What are you moaning about? Why don't you get your own band?'...

"I asked them if a white guy could make it, considering the music was a black invention.  I was getting a lot of flak about stealing not only Bird's music but his wife and family as well [Woods was married to Chan, Charlie Parker's widow]...  And Dizzy said, 'You can't steal a gift. Bird gave the world his music, and if you can hear it you can have it.'"

front-paged by afew

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Occupy Sandy

by gmoke
Sat Nov 3rd, 2012 at 04:44:35 PM EST recovery

A group of people from the Occupy Wall Street movement is collaborating with the climate change advocacy group and a new online toolkit for disaster recovery,, to organize a grassroots relief effort in New York City.

Occupy Sandy:

Boston TEDX talk by

The combination of the jobs and economic focus of Occupy with the climate change and energy transition ideas of along with the disaster recovery systems of is a model that can build resilience and preparedness quickly if continued.  Add Solar IS Civil Defense, set the Maker Culture loose, and it just might shade over into Solar Swadeshi, Gandhian economics, a non-violent and restorative open source peer-to-peer economic system where we plan for 100% success for all humanity, to paraphrase R Buckminster Fuller.

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Bullies Consider Themselves Victims?

by gmoke
Wed Oct 17th, 2012 at 04:07:58 PM EST

I recently spent some time studying the Nazis.  My library had a copy of A Century of Wisdom:  Lessons form the Life of Alice Herz-Sommer, the World's Oldest Living Holocaust Survivor by Caroline Stoessinger (NY:  Spiegel & Grau, 2012 ISBN 978-0-8129-9281-6) and I picked it up.  Reading it gave me an excuse to continue with two books on my reading list, Into That Darkness:  From Mercy Killing to Mass Murder by Gitta Sereny (NY:  McGraw-Hill, 1974 ISBN0-07-056290-3), an examination of Franz Stangl, the commandant of the Treblinka death camp, based upon hours of interviews with him in prison, and Crossing Hitler:  The Man Who Put the Nazis on the Witness Stand by Benjamin Carter Hett (Oxford, UK:  Oxford University Press, 2008 ISBN 978-0-19-536988-5), the story of Hans Litten, the lawyer who subpoenaed Hitler and brought him to a German court in 1931.

These two particular passages from Sereny's interviews with Stangl reminded me of an incident in Sebastian Haffner's Defying Hitler, a posthumously published memoir finished in 1940 as Story of a German [Geschichte eines Deutschen] which explained to me something about bullies that I hadn't realized before.

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The Cambridge, MA Solar Tool

by gmoke
Sun Oct 7th, 2012 at 01:14:05 PM EST

You can now estimate with great detail the solar electric potential of any roof in Cambridge, MA by just typing in an address on a webpage, the Cambridge Solar Tool
(  For instance, the double triple decker in which I live has six apartments and a total roof area of 2,781 square feet. 1,136 of those sq ft have high PV (photovoltaic) potential.  This could support an 18kW solar electric system providing 22,945 kWh per year, enough to power about a third of the electricity used by those six apartments, if each apartment uses the rough US average of around 11,000 kWh per year (my own annual electric use is around 1,600 kWh/yr).

The estimated savings per year for such a PV system are $9,081. The total cost  is $101,720.  With the Federal tax credit of $30,516 and a MA state tax credit of $1,000, the final cost to the owner would be $70,204.  In addition, the Solar Renewable Energy Credits (SRECs) of 27¢/kWh could produce $6,212 per year (at least that's my reading of the MA SREC program, but I could be wrong).  Such an investment would pay for itself in about 8 years with a return on investment (ROI) of 12.93%, a better return than gold (10.19%) or the stock market (Dow Jones average:  5.50%).  The solar electricity would replace other fuels that now spew 12 tons per year of carbon into the atmosphere.

If the owner did not want to put any money down, they could opt for a Power Purchase Agreement (PPA), buying electricity from a third party which owns, installs, maintains, insures, and monitors a PV system on the roof of our double triple decker at a long term, generally 20 years, fixed and lower cost than what is paid now for power.

Read more... (7 comments, 790 words in story)

Eating the City and Town: Todmorden and Beyond

by gmoke
Wed Sep 5th, 2012 at 06:21:23 PM EST

A few months ago, some people in Cambridge, MA were inspired by the example of Todmorden in the UK between Leeds and Manchester, a town that decided to grow as much of its food as possible within the town limits.  

Since we started meeting, some of us have begun mapping the Cambridge local food system which already exists.  It includes farmers' markets every day of the week from Memorial Day to Thanksgiving, the local growing season, and one winter market on Saturday mornings.  There are City Sprouts ( gardens in every one of the 12 public middle schools, 15 community gardens including those at Harvard and Leslie Universities, and at least three restaurants with rooftop or container gardens.  Local organizations include Pick a Pocket Garden ( which is planting and maintaining public plantings of ornamentals, a yogurt-making coop, and the League of Urban Canners who will harvest and process fruit from neighborhood trees and bushes into preserves, with the owners getting 10% of the product.

The Cambridge Todmorden group may have access to three different sites for public gardens but we haven't turned any soil over yet, although we certainly plan to in the near future.

A few schools, community plots, and restaurants will not grow any appreciable percentage of the food in Cambridge, MA but it is a start.  There is a local food system.  We are learning how to grow it.

Read more... (18 comments, 884 words in story)

Massachusetts Clean Energy Economy

by gmoke
Wed Aug 29th, 2012 at 10:32:35 PM EST

The Massachusetts Clean Energy Center has released their 2012 Massachusetts Clean Industry Report (

There are 4,995 clean energy firms and 71,523 clean energy jobs in the Commonwealth, 1.7% of all employment in the state, with employment in the clean energy sector up 11.2% from 2011 compared with a 1.2% growth rate for all industries.  

Employers are also optimistic about their future prospects, anticipating 12.4% growth over the coming 12 months.

From 2007 to 2011, there has been a thirty-fold increase in installed solar megawatts and a 108% growth in electric energy savings from energy efficiency.

Hat tip to

Comments >>

Zero Emissions Resources

by gmoke
Sat Aug 4th, 2012 at 10:39:06 PM EST

"If you are not for zero waste, how much waste are you for?"

We need to become a zero emissions culture.  We need to stop taking massive amounts of waste for granted and learn to become much more resource conservative and conserving.  The biosphere can no longer support our wastrel ways.

People on first hearing this idea may think it is impossible but it's not.  Zero emissions is a natural adaptation of the quality control goal of zero defects on a production line, a goal approached through continuous improvement over time.  We need to institute zero emissions within basic ecological design principles where
waste equals food
we use only available solar income
respect diversity
love all the children
[This is architect Bill McDonough's formulation.  A more complete list of ecological design principles is available from John Todd, one of the founders of New Alchemy Institute and a pioneering  developer of ecological waste treatment systems ( al-Design) ]

If we are to live in an ecological system without destroying it, zero emissions thinking is going to have to pervade our economic system.  Of necessity.  We have to learn how to think in systems, as part of a system.  (And remember our own ignorance as Gödel taught us with his incompleteness theorems.)  Here are some of the resources available and some of the companies who are actually making strides toward zero emissions and clean production.

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Ecological Restoration: Cleaning the Fisherville Mill Canal

by gmoke
Mon Jul 23rd, 2012 at 07:37:25 PM EST

The Fisherville Mill Canal on the Blackstone River in Grafton, MA has been contaminated for decades by #6 fuel oil in its waters.  John Todd Ecological Design ( with the participation of the town of Grafton, USEPA, MA DEP, MA Audubon Society, Blackstone Headwaters Coalition, Clark University, Brown University, US National Park Service, Fisherville Redevelopment Corporation, Fungi Perfecti Inc, and others began a bioremediation project cleaning the water with natural processes on May 27, 2012.  This approach to remediation includes

microbial, fungal, plant and animal biodiversity supported by engineered habitats for the ecosystems.  Ecological design uses biodiversity in lieu of high-energy mechanical and chemical systems.

Oil contaminated water from the bottom of the canal is pumped through tubes filled with gravel for filtration into the greenhouse to be sprayed on fungal mycellium beds and then flows into a series of six aquatic cells, large transparent tanks filled with water, each comprising a different highly diverse aquatic ecological system.  From the greenhouse, the water is pumped to an artificial floating marsh-like system known as a restorer, with plants that grow above the surface of the canal and root systems that extend below the water, providing habitat for a variety of micro-organisms which remove contaminants from the water in the canal.  The greenhouse treats five hundred gallons of water per day, five hundred gallons full of diverse and beneficial life is pumped back into the canal each day.   John guesstimates that the restorer filters about 100,000 gallons of water per day.  This whole system is an eco-machine, a working ecological chemostat.

Tests show there has been a 75% reduction in petroleum contaminants in the treated water since the beginning of the project on May 27, 2012, according to the initial results which came in on July 17, 2012 from samples taken on June 15, 2012.

"The purpose of this project is to prove the efficacy of natural systems to remove complex contaminents from the Fisherville Mill Canal."
 The hope is it will also improve water quality downstream.

Read more... (7 comments, 840 words in story)

Minimal Energy Independence: Solar IS Civil Defense

by gmoke
Wed Jul 4th, 2012 at 12:16:07 PM EST

I've posted this before but it might have more relevance now that over a million people lost power around Washington DC and other emergencies and disasters have put many power lines in jeopardy.  Besides, it's a practical exercise in freedom and, to me, an apt celebration of Independence.

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Short Term Climate Forces: Black Carbon, Methane, and Tropospheric Ozone

by gmoke
Wed May 9th, 2012 at 10:43:01 PM EST

Went to a talk on March 19, 2012 by Dr Joel Schwarz about a recent UNEP report on Short Lived Climate Forcers:

Integrated Assessment of Black carbon and Tropospheric Ozone and Near Term Climate Protection and Clean Air Benefits

Summary for Decision Makers

The report focuses on three SCLF [short lived climate forcers] - black carbon, tropospheric ozone and methane [an ozone precursor*] - because reducing them will provide significant benefits through improved air quality and a slowing of near-term climate change.

Black carbon and tropospheric (10 - 20 km above ground) ozone are resident in the atmosphere for a few days to three weeks (3-8 days for carbon, up to 4-18 days for ozone).  Methane has an atmospheric lifetime of 12 years, ± 3 years.

"Full implementation" of all the identified measures could reduce future global warming by "0.5˚C (within a range of 0.2-0.7˚C)". If implemented by 2030, this tactic  might halve the potential increase in global temperature projected for 2050. "The rate of regional temperature increase would also be reduced" wherever they are put into practice.

These measures "could avoid 2.4 million premature deaths (within a range of 0.7-4.6 million) and the loss of 52 million tonnes (within a range of 30-140 million tonnes), 1-4 per cent, of the global production of maize, rice, soybean and wheat each year."  Benefits will be felt immediately "in or close to the regions" where black carbon, methane, and tropospheric ozone are reduced.  The potential for emissions reductions, climate, health, and economic benefits are highest in Asia but gains can also be realized in Africa, Latin America, and wherever these measures are put into practice.

A few emission reduction measures "targeting black carbon and ozone precursors could immediately begin to protect climate, public health, water and food security, and ecosystems. Measures include the recovery of methane from coal, oil and gas extraction and transport, methane capture in waste management, use of clean-burning stoves for residential cooking, diesel particulate filters for vehicles and the banning of field burning of agricultural waste."

All these benefits can be obtained with existing technology but require significant strategic investment and institutional arrangements to make them widespread, part of general and every day use.

*Ozone is not directly emitted. It is a secondary pollutant that is formed in the troposphere by sunlight-driven chemical reactions involving carbon monoxide (CO), non-methane volatile organic compounds (NMVOCs), methane (CH4), and nitrogen oxides (NO ).  Ozone in the troposphere is the third most human-emitted greenhouse gas, after CO2 and methane.  Ozone formation increases as temperature rises.

Read more... (817 words in story)

Solar IS Civil Defense PSA

by gmoke
Thu Apr 26th, 2012 at 08:40:21 PM EST

Solar IS Civil Defense - what we are all supposed to have on hand in case of emergency - flashlight, cell phone, radio, extra set of batteries - can be powered by a few square inches of solar electric panel.  Add a hand crank or bicycle generator and you have a reliable source of survival level electricity, day or night, by sunlight or muscle power.

This is also entry level electrical power for the 1.5 billion people around the world who do not yet have access to electricity.  Civil defense at home and economic development abroad can be combined in a "buy one, give one" program like the Bogolight ( which is a solar LED light and AA battery charger.

Solar IS Civil Defense and could be much more.


I wish the mainline environmental groups had been broadcasting practical material like this for the last twenty years or so instead of devoting almost all their advertising to scaring us about climate change.

Originally published at

Comments >> (2 comments)

Tracking Radiation from Fukushima

by gmoke
Wed Apr 4th, 2012 at 11:44:26 PM EST

Scientists Track Radioactive Iodine in New Hampshire from Japan Nuclear Reactor Meltdown

Testing in New Hampshire's Mink Brook watershed during March through May 2011 resulted in calculating radioactive iodine deposition in the soil at a  total amount  around 6,000 atoms per square meter. Dartmouth research associate Joshua Landis commented that "at these levels, it is unlikely that this is going to cause measurable health consequences."  The amount in stream sediments was double the amount in soil but should be reduced by river and stream dilution.

This radiactive waste from Fukushima consists of iodine-131, "highly radioactive, acutely toxic" with a half-life of about 8 days, and iodine-29, less radioactive but with a half-life of 15.7 million years.  "Due to its long half-life and continued release from ongoing nuclear energy production, [iodine-129] is perpetually accumulating in the environment and poses a growing radiological risk," the authors of the Proceedings of the National Academy of Sciences report point out.  A nuclear reactor produces 3 parts iodine-131 to one part iodine-129.  "Once the iodine-131 decays, you lose your ability to track the migration of either isotope."

hat tip

The Japan Aerospace Exploration Agency (JAXA) has created a prototype "Super-wide Angle Compton Camera" capable of creating images of gamma ray-emitting radioactive particles. This equipment is based on the gamma ray-observing sensor technology to be added to the next X-ray observation satellite, ASTRO-H. It is expected to be able to create visual images of radioactive particles that have collected at high altitudes such as building roofs where it is difficult to conduct measurements with existing survey meters. Taking advantage of its wide vision (180-degree) capability as well as its ability to distinguish gamma rays from nuclides, it can create images of Cesium 137 (Cs-137) and Cesium 134 (Cs-134) that have widely dispersed on the ground and residential houses. (Attachment-1)

On February 11, 2012, JAXA, Japan Atomic Energy Agency (JAEA) and Tokyo Electric Power Company (TEPCO) conducted a field test of the dose measurement and imaging survey using the "Super-wide Angle Compton Camera" at Kusano area of Iitate village in Fukushima Prefecture. The results yielded the successful image capturing of the dispersed radio-cesium over a much broader area and to a higher degree of accuracy in comparison with existing gamma cameras. (Attachment-2)

hat tip

We need a zero emissions society and culture, especially where such long-lived pollutants are concerned.

Sidestepping the Impasse:  Zero Emissions to Ecological Design al-Design

Comments >> (14 comments)

Integrated Urban Agricultural Systems

by gmoke
Wed Feb 29th, 2012 at 10:23:46 PM EST

On Monday January 30th, the Boston Redevelopment Authority (BRA) held a public meeting at Suffolk University, halfway between the State House and City Hall, to change the Boston zoning laws to allow for agriculture throughout the city, making it easier for local residents to grow and sell fresh, healthy, foods in Boston and the greater Boston Metropolitan Area.  Nearly 300 people attended.  Boston currently has about 150 community gardens serving 3000 gardeners, the highest per capita of any US city.  Now the city is trying to figure out how to change zoning to increase urban agriculture beyond gardening and household use into businesses and economic development.

Mayor Menino, the newly appointed chair of the food policy task force for the US Conference of Mayors, opened the meeting and the keynote address was given by Will Allen, Founder and CEO of Growing Power Inc. (, non-profit based in Milwaukee, WI which also does work in Chicago, Detroit, Ghana, and around the world.  Growing Power addresses social justice and food access issues through building local agriculture and farm-based businesses and Mr. Allen won the 2008 McArthur Foundation "Genius" Grant for his work on urban farming and sustainable food production.  Growing Power has grown an underutilized 2-acre lot into a farm that produces enough produce, eggs, honey, fish and other meats to feed more than 10,000 local residents and employs more than 100 people on 20 farms, 13 farmstands, and a year round CSA.  

They start by growing soil through composting to replace the existing contaminated urban soils and continue with growing worms, mushrooms, sprouts, which alone provide from $5 to $50 worth of production per square foot, and fish in integrated urban agricultural systems. There are seven different levels of production in their greenhouses, some of which are heated by compost.  At their main farm, a quarter of their electricity comes from solar electric panels and 70% of their hot water is solar heated.  They also have an anaerobic digester for methane production and electricity.  

Growing Power also provides hand's on education and summer jobs for children planting flowers by sidewalks and corners, a measure which actually reduces crime.  Green Power also has community kitchens for food preservation and processing.  They are now building a five story vertical farm at their national headquarters and planning for 15 regional centers.

Will Allen said that, since food "is the one thing we have in common," the good food movement "starts with everybody working together" and if you don't have a sustainable food system, you won't have a sustainable city.  

Video of the entire proceedings at the meeting, including the presentation by Mr. Will Allen:

The minutes of that meeting, the recommendations by the group, maps of greater Boston food resources, and information about the ongoing urban agriculture planning meetings the city is holding:

Read more... (30 comments, 1262 words in story)

Democracy Technology

by gmoke
Tue Jan 24th, 2012 at 11:26:23 PM EST

A Facebook group called Upgrade Democracy ( is collecting a list of

teams/organizations working on technology-powered solutions to the systemic problems of governance/group decision-making.

They want help in expanding the list but

Please don't add projects that simply use technology to slightly enhance our current political system (e.g. electronic petitions). We're upgrading the democratic operating system, not tweaking the interface. ;)

Teams / Organizations Working to Upgrade Democracy
By Frank Grove, Ben Woosley and 5 others in Upgrade Democracy Community

Circle Voting
Deliberative Democracy (Stanford)
Dynamic Democracy (US)
Open Assembly
Personal Democracy Forum
Participant Labs
Seasteading Institute
Village Votes

Read more... (1 comment, 408 words in story)

Occupy: History and International Examples to Learn From

by gmoke
Fri Nov 25th, 2011 at 07:08:05 PM EST

My sister sent my a link to a New Yorker article on the history of Occupy Wall Street:

It focuses on Kalle Lasn and Micah White of AdBusters, the organization that made the initial call for an occupation of Wall Street.  They are both interesting characters with ideas not usually voiced in the major media.  I do wish a little more time had been spent looking at David Graeber, the anarchist theorist who helped convene the first GA on the first day but you can read about him at l

For all this history, what I find lacking is the larger context, that Occupy is part of a world-wide movement against corporate globalism and for person-to-person globalism that started with Mohammed Bouazizi setting himself on fire in Tunisia and continuing from there to Egypt, Libya, Yemen but also Spain, Greece, Macedonia, Brazil, Mexico, the UK....  In fact, the US movement is rather late to the party and is missing a real chance by not expressing forcefully their/our solidarity with the demonstrators now being brutalized in Tahrir Square.  That would complete the circle, confuse the politicians and pundits, and make visible the global nature of this movement at last.

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Occupy Green

by gmoke
Thu Nov 17th, 2011 at 10:39:33 PM EST

This idea may be moot after all the forced evictions of the Occupations from public spaces but I thought I'd share it anyway.

I've visited the Occupations in Wall Street, Boston, and Providence, RI.  Every time I go to one of them, I try to connect with somebody about making the Occupation green with, as yet, little success.  In New York, I saw the greywater treatment system Mobile Research Labs set up and talked to a couple of people about using some simple solar techniques.  In Boston, I've tried to connect the winterization team with the student Energy Clubs at some of the local colleges and universities and alerted my own network of solar enthusiasts to Occupy Boston's  efforts.  I've also tried to do the same by contacting OWS's Sustainability Group.  In Providence, I talked with the only occupier I saw up and around early on a Sunday morning.  He was picking up trash around the park and was disappointed that the group hadn't organized themselves enough to do recycling.  I gave him my card and my elevator pitch for a green occupation and he said he'd pass it on.

I look at the Occupations and see economic refugee camps and a possible test-bed for emergency response and sustainable economic development around the world.  Some may say that's crazy but the links are there if you look.

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Finalist in MIT Climate CoLab Contest: I Solve Climate Change

by gmoke
Mon Nov 7th, 2011 at 07:10:25 PM EST

The Climate CoLab is part of MIT's Center for Collective Intelligence.

In both 2010 and 2011, the primary activities have been a pair of online contests, where teams of community members are invited to propose actions to key aspects of climate change.

The 2011 contest poses the question:

How should the 21st century economy evolve bearing in mind the risks of climate change?

In the initial stages of a contest, teams develop proposals on what should be done. Expert judges assess and select finalists among these proposals.

In the final round, Climate CoLab members are invited to vote. Winners are chosen based on voting and on a second review by the judges. A group of policy makers are briefed on the winning proposals.

On the national level, my proposal made the final cut:
How to Change US Energy in One Growing Season

You can vote for it or other proposals in the contest until November 15 at the URL above.  Please take a look.

Read more... (10 comments, 272 words in story)

OWS: We Lift Each Other Up

by gmoke
Wed Nov 2nd, 2011 at 06:49:38 PM EST

This interview with Ryan Hoffman of Occupy Wall Street by David Schuster on Countdown with Keith Olbermann on how OWS are self-policing touched me deeply.  I thought it a simple and succinct explanation of what is going on.

Video: -the-undesirables

"It's irrelevant" whether the police are sending homeless people to Zuccotti Park. "Whether or not they are sending people down there, we'll take them because if they have been wounded by the system that we're in, that creates a systemic sort of foreclosure mill, kicking people out of their houses and sort of oppressing them and taking away their voices, taking away their enfranchisement to speak, well guess what, that's what our movement is about and we're not going to turn those people away. This movement is so that everybody can have a voice and we lift each other up."

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Trash Technology and Recycled Solar: Plastic Bottles

by gmoke
Tue Sep 13th, 2011 at 11:28:32 PM EST

Solar water disinfection
A two liter plastic bottle can be made into a water treatment system simply by filling it with contaminated water and exposing it to the sun.  Sodis is an organization that promotes this technology around the world.  

The disinfection process can be speeded by turning aluminized mylar snack food bags inside out and making them into reflectors as two young students in Belo Horizonte, Brazil discovered:

Solar bottle bulbs for daylighting

In 2002, during a long electrical shortage, at Uberaba, São Paulo, Brasil, Mr Alfredo Moser discovered a way to gather sun light in the house through plastic bottles hanging from the roof. First shown at the Globo Reporter in the 25th May 2007.
Alfredo Moser was pressed by a scarce electricity substitution and found out that he could light his house with a bottle of water filled with water and a protection cap made of camera film.

The bottle is just refracting sunlight very effectively and produces an equivalent light power compared to a 50/60W lamp. In a rainy day, even without much light and direct sun, one still have some light. Scientist have now visited Moser and are looking into ways to take this concept to maximize its potential.

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