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Showing posts with label clean water. Show all posts
Showing posts with label clean water. Show all posts

Friday, May 12, 2017

The world needs more toilets, but Western solutions aren't the answer

Today, 35.8% of the world’s population still lacks access to any proper sanitation facilities.

That’s why in 2015, the world’s leaders agreed to strive for access to adequate and equitable sanitation and hygiene for all by 2030 as part of the United Nations Sustainable Development Goals. That means more than three billion extra people will need access to a toilet.

But if we solve this problem with the flush toilets we’re used to in the West, we will have a whole new water access and sanitation problem on our hands. <...more...>

Wednesday, April 5, 2017

Graphene Sieve Turns Seawater into Drinking Water

A graphene membrane. Photo: The University of Manchester

Graphene-oxide membranes have attracted considerable attention as promising candidates for new filtration technologies. Now the much sought-after development of making membranes capable of sieving common salts has been achieved.

New research demonstrates the real-world potential (...more...)

Thursday, December 15, 2016

Israeli Solar Desalination Process Cuts Energy Costs by 90%

Israeli ​startup ​TSD (Tethys ​Solar ​Desalination)​ plans to ​revolutionize ​the process ​with a low-cost,​ off-grid, ​scalable, and ​environmentally ​friendly module ​technology ​using only the ​power of the ​sun. 

The most ​common method ​of reverse ​osmosis using ​membranes is ​costly, energy-​intensive, high-​maintenance, ​and environmentally ​problematic. It ​is best suited ​to mega-scale ​plants built on ​large tracts of ​high-value land ​near the ocean ​and consumes ​enormous ​amounts of ​electricity ​generated from ​fossil fuels. ​Then, the ​treated water ​has to be piped ​great distances ​to farms, ​industries, and ​households. ​ (more)

Tuesday, November 29, 2016

Researchers find "sweet" solution to kill E. coli in drinking water

Paper strips laced with sugar could be the sweetest solution so far, literally, to kill E. coli in contaminated water. York University researcher Sushanta Mitra says the "DipTreat" discovery will be key to developing a new generation of inexpensive and portable water treatment devices, with human health benefits in Canada and around the world.(more)

Thursday, February 11, 2016

New Sodium-Ion Desalination

Sodium-Ion ​Desalination: A ​New Method to ​Remove Salt ​from Water ​Using Battery ​Materials

The ​technology that ​charges ​batteries for ​electronic ​devices could ​provide fresh ​water from ​salty seas, ​says a new ​study by ​University of ​Illinois ​engineers. ​Electricity ​running through ​a salt water-​filled battery ​draws the salt ​ions out of the ​water. ​-more-

Monday, August 24, 2015

Water and Poverty

This is a great article about the correlation of water and poverty.

humanosphere.org/

Wednesday, March 4, 2015

Practising the human right for safe drinking water and sanitation for sustainability

Everybody deserves access to water and sanitation. Acknowledging safe drinking water and sanitation as human rights is crucial in making this a reality. But how to do that in practice? The handbook on human rights to water and sanitation provides guidance.

(more)

Friday, January 9, 2015

From Poop to Potable Water

This Ingenious Machine Turns Feces Into Drinking Water

I watched the piles of feces go up the conveyer belt and drop into a large bin. They made their way through the machine, getting boiled and treated. A few minutes later I took a long taste of the end result: a glass of delicious drinking water. (more)

Tuesday, April 22, 2014

Water 4.0

Water 4.0:  The Past, Present, and Future of the World’sMost Vital Resource is a new (2014) book by David Sedlak.   In it he details “(t)he little-known story of the systems that bring us our drinking water, how they were developed, the problems they are facing, and how they will be reinvented in the near future.”  Water 1.0 is what he calls the gravity-powered aqueducts engineered and built by the ancient Romans.  “…(T)he addition of filtration and chlorine disinfection on the front end of water distribution systems…” he refers to as Water 2.0.  “…(T)he installation of biological wastewater treatment on the sewer end…” is Water 3.0.  And, solutions to the challenges we now face will bring Water 3.x – Water 4.0 to our communities.  These solutions may be centralized, decentralized or some combination of both.  Sedlak does a good job of recounting the history and explaining the options we have as we move forward.  For anyone interested in an overview of the past, present and future of urban water, this book is well worth reading.

Thursday, July 18, 2013

Site visit to Tlahuac One of the poorest parts of Mexico City

Stan and I were up early again to meet Ulises, Lino Marquez (Centro Historico Rotary), and Ofelia A Hernandez from MexFam (like planned parenthood) to go to the community where they are working in collaboration with the Ballard and University (Seattle) Rotary Clubs. This part of the city is considered to be one of the poorest urban regions of Metro D.F.
This community is only about 12 miles from our hotel but seems like light years away in economic terms. MexFam has been working in the community for about 5 years now and a few years ago they realized they needed to take a more systems approach to improving the community.With the help of the the Ballard and University Rotary Clubs in Seattle and Rotary International, the Centro Historico Rotario is building a new community center (85 X 40 ft).


The community is very unique as there is a guard who controls access in and out of the community and there is NO drinking or drugs allowed.  Most of the houses are built in a connected row fashion. they are only about 6' high and only 15 x 15 ft in floor area!.  These houses are not "legal" in the sense that they do not have formal "rights" to the land.


However, with the newer housing (under construction) the owners have land rights.  There is no running water and all the water is delivered by water trucks into open top 55 gal plastic barrels. Each barrel is numbered with the family's house #.



We were invited specifically to look at the opportunities and challenges to provide rain water harvesting and dry latrine solutions.  In addition, they are interested in a community garden.

Like all opportunities this one presents its unique challenges and opportunities.  We look forward to collaborating with these Rotary Clubs to help provide innovative solutions.

Thursday, November 8, 2012

Interview with Dean Kamen and CEO of Coca Cola

Here is a Charlie Rose interview with Dean Kamen, inventor of the Slingshot for water purification, and Muhtar Kent, CEO of Coca Cola, about the global water crisis and how they will team up to make a difference.  It runs about 25 minutes.

          http://www.charlierose.com/view/interview/12576

Friday, October 5, 2012

Recent Interview with water.org Founders

Here is a recent Charlie Rose interview with Matt Damon and Gary White, co-founders of water.org about the global water crisis.  It runs about 30 minutes.

                    http://www.charlierose.com/view/interview/12577

Wednesday, March 7, 2012

PLU Talk "Suffering from water in Oaxaca"

From the talk Rick gave at PLU late last month.

"We all need water, said Rick McKenney, executive director of Water for Humans.

McKenney kicked off the second day of the Wang Center’s Water Symposium with a talk about the challenges and opportunities with water and sanitation in Oaxaca.

“Suffering from water – this is what Mexicans say when they are dealing with a lack of water,” McKenney said. “Mexico considers water a public right but there’s a juxtaposition and some tension there. How do you equitably charge people for this asset?”
By By Katie Scaff '13

Tuesday, March 6, 2012

Millennium development goal on safe drinking water reaches target early

UN tempers news that 89% of global population can access safe drinking water with warning that sanitation MDG is a long way off

The international target to halve the number of people who do not have access to safe drinking water has been met, five years before the 2015 deadline, the UN announced on Tuesday.

According to the World Health Organisation (WHO) and Unicef joint monitoring programme for water supply and sanitation (JMP), between 1990 and 2010 more than 2 billion people gained access to improved drinking water sources, such as piped supplies and protected wells. Using data from household surveys and censuses, the JMP said at the end of 2010, 89% of the population – 6.1 billion people – now used improved drinking water sources, 1% more than the 88% target contained in millennium development goal (MDG) number seven, set in 2000. more

Monday, February 20, 2012

The Thirsty planet PLU

Please join me Thursday evening and Friday for a conference at Pacific Lutheran University in Tacoma WA.

Maud Barlow is the Keynote speaker and will speak Thursday evening and the conference will go all day Friday. Rick Will speak about

“Oaxaca: Water and Sanitation: Challenges and Opportunities” at 9:15 Friday morning.

Wednesday, January 11, 2012

Meeting with the Oaxaca Finance Minister

Juan Jose (the director of INSO) met with the Finance Minister of Oaxaca on Monday night to discuss our proposal to help the State with some of its water and sanitation challenges. We have been working on this proposal for many months now and working hard to secure a discussion with Mr Cagija after we were hosted by him in earlier last Fall.

Our proposal is a four part plan to help the Minister better understand the water and sanitation situation in Oaxaca and proved him with sustainable solutions. Our proposal covers:
  • Develop a strategy for water and sanitation for the central valley
  • Review the existing wastewater treatment plants and determine if they can be brought up to federal standards.
  • Provide the Minister with a framework (technical, economic, environmental, sustainability) to evaluate new water and sanitation projects.
  • Plan the implementation of pilot projects to demonstrate the technology innovations outlined in our strategy.

Like many things in Mexico they move much slower than here in the US. Thus, we are cautiously optimistic that we can secure this contact within the next few months.

Monday, January 9, 2012

SAVE THE DATE Feb 9th!!!

SAVE DATE THURSDAY FEBRUARY 9th 7-9PM


Celebrate
The gift of safe water
February 9th
7:00-9:00 pm
Seattle University Student center

Live music, silent & live auction, and key note speakers with


Easy parking on James just across the street

Tickets: $25 (includes a raffle ticket)

Water for Humans is a 501 3(c) non-profit
supporting sustainable water & sanitation projects.

For more information: www.WaterForHumans.org

Thursday, December 15, 2011

With roadblocks settlers claimed water

TIME
'2011-12-15 '
With roadblocks settlers claimed water
Ivan Castellanos

The protesters closed Crespo cruise and Allende. Photos: Taurine

[8:01] Inhabitants of the colony Monte Albán blocked access to the Direct Administration of Public Works and Water Services and Sewerage of the City of Oaxaca (Adosapaco) and closed the crossing on Crespo street and Allende, to require restore the water service was suspended them for over two months.


Miguel Angel Vazquez Carmona, treasurer of Life Committee Neighborhood (live together), reported that dependency is not received by sending payment receipts, including rate hikes, which they consider an abuse.
Adosapaco demanded to replace potable water service in this settlement, because more than two months do not receive liquid promptly charge them and their families are suffering the consequences. He said to try to resolve the conflict pipes to send them that people can collect water and cover your needs, but this measure is insufficient for the settlers. He replied that there are more than 5 000 inhabitants of this colony is one of the largest in the city, and should have some kind of priority it is that it generates more income to this agency also raised the price of quotas. He said they indicated that the two wells that supplied the area had collapsed, but they knew that new subdivisions were connected to the lines Sets by one of these wells, although it was exclusive to the colony.

"We want a quick response and demand the reinstatement of the Services so that it arrives by pipeline, but it is insufficient because there is no coordination with the Comviva of this colony," he said. He complained that despite not having the service, they still charge for providing receipts and send them without any discount, and they only occasionally lowered seven pesos, considered a joke. However, he said that the situation remains unchanged and have not had satisfactory answers to their demands even though they have acted properly and through legal channels to seek prompt attention. He said the despair and fell upon the settlers, so they decided to make this protest, because they do not know what else to do to address them.
In the absence Adosapaco care, said they are willing to go to the end, as this service is basic to any human settlement.

Closed colony inhabitants of Monte Albán Crespo Street, require water

By fhernandez on December 14, 2011 - 09:51.
Newspaper News
About 100 residents of Monte Alban colony, headed by the treasurer of the settlement, Miguel Ángel Vásquez closed since this morning Crespo Street at its intersection with Allende.
This, to demand the reconnection of water, because for two months without water service.

The protesters detailed that the direct administration of Works and Drinking Water Supply and Sewerage of the City of Oaxaca (ADOSAPACO), informed them that the wells one and two are insufficient and "throne", so I can not send water.

However, they noted that "rumors" that new subdivisions are connected to the network, hence the fluid is insufficient.

They noted that although the Administration has sent water pipes, it is not enough for everyone, due to road conditions prevent the liquid reaches the people, with a total of five thousand people affected.
With information from Olivia Hernández

Monday, November 21, 2011

Oaxaca - October 2011 Trip Report

Oaxaca - October 2011 Trip Report
Logo-header

Oaxaca - October 2011 Trip Report

Rick and Stan were in Oaxaca from October 10th through October 22nd to further Water for Humans' mission. It was a well spent two weeks that included the following highlights: began negotiating a contract with the state of Oaxaca to provide advice on water and sanitation issues, met Dr. Jhabvala for the first time, followed up with the water filter project at the Valentin Gomez Farias Elementary School in Santo Domingo Barrio Bajo Etla, checked up on the status of the rainwater harvesting project in the Bravo Ahuja neighborhood of Oaxaca City and attended the 31st Water Forum of Oaxaca. The following covers these highlights in more detail.

State of Oaxaca Contract
Water for Humans participated in a number of meetings with the Secretary of Finance of Oaxaca. In attendance were Secretary of Finance Gerardo Cajiga, Water for Humans, Instituto de la Naturaleza y la Sociedad de Oaxaca (INSO), Natural Systems International (NSI), Universidad Autonoma Benito Juarez de Oaxaca Cajiga Meeting (UABJO), CONAGUA (federal water commission), CEA (state water commission) and ADOSAPACO (municipal water department). We met with this group for two full days. The first day we discussed the state of water in the central valley and how rainwater harvesting could help. The second day focused on wastewater treatment and irrigation. From these meetings, we came up with a four part proposal to be completed over the next six months to advise the secretary on water and sanitation issues. Within six months (if approved), WFH, NSI and INSO will deliver to the secretary:
  • A vision and strategy for water and sanitation for the State of Oaxaca
  • A diagnosis (with CEA) of the failed wastewater treatment plants in the State
  • Guidelines for evaluating future water and sanitation projects in the state for funding
  • Recommended Technology Transfer projects to demonstrate solutions
In addition, Mr. Cajiga briefly spoke with us about making INSO & WFH his "think tank" on water and sanitation issues. We were hoping to have a signed agreement prior to leaving Oaxaca, however, that did not happen. We are now finalizing the four-part proposal with detailed statements of work for each deliverable and hope to have a signed agreement soon.

Per the direction of Mr Cajiga, we spent one day touring several wastewater treatment plants in the central valley. First was a meeting with the municipality head of Etla. Upon our arrival at Etla, the mayor would not Etla receive us, so we went to the old treatment system at the dumpsite to see if they were still trying to rehab it. Shortly after we arrived, the municipality head and his staff joined us. We think this was only because they had received a call from Mr. Cajiga's office. They were very open and listened to our potential plan. We stressed that we have many options available to us to build our pilot plant and one of the selection criteria will be how well the citizens and politics are that govern the site. As you may know, Etla and Santo Domingo Barrio Bajo Etla do not see eye to eye on many issues. We stated very clearly that we would be watching to see if this relationship improves, such that the needs of SDBBE are met by the municipality. We trust our counterparts in SDBBE to give us a truthful assessment to help us make any decisions about moving forward with a treatment plant in SDBBE. Next, we went to Tlacolula to visit their plant. As you may know, Tressie and a group from Engineers without Borders proposed a natural system addition to this plant three to four years ago, but dropped the project due to political issues. We had hoped to tour one more site, but we did not have enough time (as we got lost trying to find the entrance to the Tlacolula plant).

Dr. Firdaus Jhabvala (Natural Systems International)
Dr. Jhabvala After talking to and emailing Dr.Jhabvala (with NSI) for over eighteen months, we finally met him in person. The summer of 2010, we hired him to travel to Oaxaca to visit INSO and the wastewater treatment system at Santa Domingo Barrio Bajo Etla (SDBBE). We have been working closely with him since then. He joined us for our first week in Oaxaca and attended the state government meetings with us. Dr. J (as we affectionately refer to him) lived in Oaxaca many years ago, soon after completing his Ph.D. in economics, and taught at a local university. Two of his former students participated in the meetings. He has been instrumental in the contract negotiations and will also be instrumental in fulfilling our six month proposed contract obligations.

Water Forum
Cajiga Water Forum We also attended INSO's 31st Water Forum on Friday, October 14th. Finance Minister Cajiga opened the Forum and launched INSO's plan: A Common Plan for the Common Good. Juan Jose Consejo, the Executive Director of INSO, gave the keynote address in which he explained the details of the plan. It looks at the technical, social and environmental components of all potential water and sanitation projects to determine which ones to pursue. This program is a yearlong effort in which the government has funded 20% of the program cost. The project will align with our proposed strategy and give us enhanced input to the plan. One of the presentations was by Inez Barroso Maria on the Bravo Ahuja Rain Harvesting Project. Maria Soledad Diaz Gonzalez, the former head of Santo Domingo Barrio Bajo Etla, also attended. We spoke to her after the forum to get her opinion of what was going on with Villa de Etla with regards to the wastewater treatment plant. That will help us decide how well Etla is doing on the social (and political) front when we decide whether or not to put the initial constructed wetland (technology transfer demonstration project) there.

Water Filter
Rotary On Monday, October 17th, we attended the Antequera Rotary Club meeting to bring them up to date on the water filter project at the Valentin Gomez Farias Elementary School in SDBBE. The club was very excited about our work in Oaxaca in general and about the water filter project in particular. They said that we could bring receipts for work on the project to them and they would reimburse us. It is good to know that we can go over our $500 grant (from the Bremerton Rotary Club), if we need to, and still complete the project. They also offered to help find the right water testing company, if needed.

ParentsComm Student We visited the school on Thursday, the 20th. There, we met the school principal and the parental committee that is overseeing the school's transition to filtered municipal drinking water. At the school, we discovered that the lavatory water that will be filtered to drinking water quality includes surface water during the rainy season. The water goes from municipal water pipes to an underground cistern. From there it is pumped to a water tank on the roof of the lavatory and then to the lavatory faucets. During the rainy season, rainwater from the surface finds its way into the cistern, introducing unknown contaminants into the system. Because of this the installation will be more complex than originally planned. We will have to install a separate storage tank (200 liters) and booster pump to provide the needed water pressure. We are now pricing out a solution that filters piped water only to drinking water quality.

We have been in contact with Industrial Mass in Mexico City to purchase the water filter. We are getting advice from them, as well as our Board Member, James Fox.

Rainwater Harvesting
On Wednesday, October 19th, we met with Mrs. Inez Avelina Barroso and the residential committee at Bravo Ahuja Bravo Ahuja Bravo Ahuja to visit the rainwater harvesting project that we are financially supporting. Mrs. Barroso is the community activist who initiated this project. Joining Nelly, Stan and Rick was Alejandra, who is heading up this project from INSO. These ladies have taken on this project so that their homes can have water year round. They have been trying to conserve and harvest rainwater using makeshift techniques and have managed to have water now when their neighbors do not. Working with INSO, they have big plans to build a 20,000 liter underground cistern (for each home) to provide them with lots of water between rainy seasons. They hope to have enough water to provide their neighbors with some water when they run out.

Thank you!
Your support keeps Water for Humans moving forward.

PS: You can stay in touch with the Water for Humans team by following us on Facebook - almost 360 people already "like" WFH!