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Pollution’s impact on weather, crops worse than once thought

Mon, 02/12/2018 - 12:00am
By ISRAEL21c Staff



New multinational research reveals that even small amounts of manmade aerosol particles can wreak havoc.


Even the tiniest of particles from human emissions can fuel powerful storms and influence weather and crops much more than previously thought, according to new research published January 26 in the journal Science.


The study focuses on the power of manmade aerosol emissions to grow rain clouds and intensify storms. These particles come from urban and industrial air pollution, wildfires and other sources.


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Israeli tech powers major wave-energy station in Ghana

Mon, 02/05/2018 - 12:00am
By Rebecca Stadlen Amir for Israel21c


Yam Pro Energy and India’s Shapoorji Pallonji Group will build a commercial-scale wave-power station in Ghana to serve 10,000 households.


Israel’s Yam Pro Energy  signed a partnership with Indian business conglomerate Shapoorji Pallonji (SP) Group to begin production on the world’s first commercial-scale wave energy power station in Ghana.

The $180 million station, located along the coastline near the capital city of Accra, will be designed to generate up to 150 megawatts.

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New paint transforms sun’s rays into cool air-conditioning

Mon, 01/29/2018 - 12:00am
By Abigail Klein Leichman for Israel21c


SolCold’s nanotech coating is a potentially game-changing electricity-free solution for cooling buildings or equipment in intensely sunny climates.


Coating materials that protect against fire, water or extreme temperatures are nothing new. But an Israeli high-tech paint doesn’t just protect surfaces from the sun. SolCold actually uses the sun’s power to activate a cooling mechanism, effectively providing air conditioning without electricity.

You read that right: This double-layered coating absorbs the hot rays of the sun and re-emits that energy in the form of cold. The hotter the solar radiation the more the coating cools down, making SolCold’s paint a potentially game-changing electricity-free solution for intensely sunny climates such as Africa and Central and South America.

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Happy Tu Bishvat, the new year for trees

Mon, 01/22/2018 - 12:00am
RUSSELL MCLENDON for MotherNatureNetwork


The ancient holiday has become like a 'Jewish Arbor Day' in modern times, bringing religious and secular observers together for ecological reflection.

 

This spring will mark the 142nd anniversary of Arbor Day, founded in April 1872 as a time to "plant, nurture and celebrate trees."

But long before that, another tree-centric holiday had already been promoting arboreal appreciation for centuries. Tu Bishvat — also spelled Tu B'Shvat, Tu B'Shevat or Tu BeShvat — is an ancient Jewish holiday known as the "new year for trees." Its original role was to calculate the age of fruit trees, but today it has a broader ecological tone, earning it nicknames like "Jewish Arbor Day" and even "Jewish Earth Day."

Tu Bishvat falls on Jan. 31 this year (it technically begins at sunset Jan. 30), marking one of four new years on the Jewish calendar. While many religious and secular observers honor the holiday by planting trees, it has also inspired lots of other eco-friendly traditions over the years, from sustainable seders to tree-sitting.

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Find some great ideas on JvillageNetwork's Pinterest page

Is that food really fresh? Find out at a glance

Mon, 01/15/2018 - 12:00am
By Brian Blum for Israel21c



An Israeli company is marketing its intelligent date code labels that monitor the temp and time interval of food products on their way to consumers.



“The milk is past its expiry date. We have to throw it out.”


“No, we don’t. It smells fine.”


“But it says so right on the carton.”


It’s an argument that’s been heard in households around the world: Does the expiration date on the package really mean the milk or the chicken or the eggs are bad?


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Israelis debut an autonomous robotic submarine

Mon, 01/08/2018 - 12:00am

By Abigail Klein Leichman for Israel21c
 
 


Ben-Gurion University launches company to commercialize the unique underwater vehicle for research, security, communications or military uses.


Under the surface of waterways across the globe, small remotely operated submarines are busy checking pipelines, mapping underwater minefields, taking geological and biological samples, scouting locations for communication cables, and searching for sunken vessels.


A group of 20 undergraduate and graduate engineering students from Ben-Gurion University in the Negev saw that existing autonomous underwater vehicles (AUVs) have several limitations and they worked with Prof. Hugo Guterman in BGU’s Laboratory for Autonomous Robotics (LAR) to build a better model.


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FIGHTING CLIMATE CHANGE TOGETHER

Mon, 01/08/2018 - 12:00am
From jpost.com


MIDBAR-the Swiss Society for the Revival of Desert Areas embarks on a tour of the Negev with KKL-JNF to learn how the organization combats desertification in Israel.

Combating desertification is one of the central values KKL-JNF has championed under its banner. Friends the world over aid KKL-JNF in combating desertification, and one of the most prominent  among them is MIDBAR - the Swiss Society for the Revival of Desert Areas.

Over the past several years, MIDBAR has supported several projects including planting a grove of trees in the green belt surrounding Beersheba, plantings in the Duda’im Forest and soil conservation and tree plantings along the Karkur Stream. 

“When I see the trees grow here in the middle of the desert, I draw strength from them”, said Armand Rudolf von Rohr, CEO of MIDBAR, during a study tour of the Negev with KKL-JNF. “I believe that trees are the natural solution to global warming.”


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Former cannabis activist’s agtech ideas are game-changers

Mon, 12/25/2017 - 12:00am
By Brian Blum for Israel21c


Roots Sustainable Agricultural Technologies has one technology to stabilize plant root temps and another to irrigate farms with dew condensation.


Boaz Wachtel is best known in Israel for founding the Green Leaf (Ale Yarok) political party, which ran for Knesset several times on a platform of legalizing cannabis. Green Leaf never passed the voter threshold and Watchtel “retired” from the party in 2006. He has now transformed his passion for green into a different kind of initiative.

Wachtel is the founder of several Israeli agriculture technology companies. His latest – Roots Sustainable Agricultural Technologies – just went public on the Australian Stock Exchange, raising a modest $5 million.

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Is the future of sustainable electricity ... in turkey droppings?

Mon, 12/18/2017 - 12:00am
by Jaime Bender for FromtheGrapevine 


A new study shows that poultry excrement could be used as a viable biofuel.


This time of year, we typically think of turkey as the centerpiece of a giant, hearty, all-American holiday meal.

But according to a new study, we should all be looking at it from a, um, slightly different angle.

Researchers at Ben Gurion University in Israel found that converting treated waste from turkeys, chickens and other poultry into combustible solid biomass fuel would produce an alternative energy source that's environmentally safer than coal, and could be used to replace it.

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Eco-Friendly Hanukkah Traditions

Mon, 12/11/2017 - 12:00am
From Sustainable Baby Steps


Have you started preparing your eco-friendly Hanukkah traditions yet? No doubt you are thinking about polishing your menorah, dusting the dreidels and starting the search for the perfect presents.

However, how will you polish that menorah? Did you keep the dreidels from last year and what types of presents will you buy? These are all things which need to be taken into consideration if you want this holiday season to be a sustainable one.

My household Hanukkah traditions usually consists of a nightly Menorah lighting and present giving, so that each family member receives eight presents in total. We might also go to a public Menorah lighting and attend or hold our own Hanukkah party during the 8 day festival. We don't put up much in the way of decorations or exchange cards, but every family is different with their own Hanukkah traditions over decorations, food, present giving and so on.

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5 tips for a green and happy Hanukkah!

Mon, 12/04/2017 - 12:00am
by Inhabitat


Everybody loves Hanukkah; the festival of lights that comes but once a year! Every December, we look forward to this joy-filled excuse to stuff our faces with fried potatoes, sour cream, and apple sauce, but eight days of burning candles, giving gifts, and frying pancakes could lead to some seriously wasteful behavior. Not to worry, all you eco Hanukkah lovers—there are plenty of ways that you can green up this year’s holiday celebration, and here are five smart tips to get you started!

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Want more great Hanukkah ideas? Find articles, crafts, and recipes in our Hanukkah Guide.
 

8 Ways to Make Your Hanukkah More Eco-Friendly

Mon, 11/27/2017 - 12:00am
myjewishlearning.com


Green tips for the Festival of Lights.

 

Hanukkah is known as the Festival of Lights, thanks to the one-day supply of oil lasting a miraculous eight days. In the spirit of this resource-preserving miracle, here are eight suggestions from the Jewish environmental organization Hazon for making your Hanukkah celebration more environmentally sustainable.

Use locally grown potatoes and onions, and fry them in organic oil.
Potatoes and other root vegetables are in abundance during the winter, and buying food locally cuts down on the greenhouse gasses from transporting food. Stop by your local farmers market and stock up prior to making your Hanukkah latkes.

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Want more great Hanukkah ideas? Find articles, crafts, and recipes in our Hanukkah Guide.
 

New Zealand energy firm invests $10m in Iron Dome maker

Mon, 11/20/2017 - 12:00am
By Brian Blum for Israel21c


mPrest’s technology will allow Vector engineers to manage and predict outages and allow the efficient delivery of energy to and from the grid.


Did a gas and electric company in New Zealand just buy Israel’s Iron Dome missile defense system to protect its infrastructure? Not quite.

But New Zealand-based energy and communications infrastructure provider Vector did make a $10 million investment in the Israeli company that developed the Iron Dome. And some of the technologies that power Israel’s remarkable protection against projectiles will be used by Vector as part of its IoT (Internet of Things) approach to optimizing management and control services.

Vector’s investment in Israel’s mPrest means that the New Zealand company has transitioned from mPrest customer to investor and business partner. The two companies “will to continue to develop and apply a machine learning and artificial intelligence system to better manage Auckland’s changing energy demands.”

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8 must-have Israeli eco-products to make your life greener

Mon, 11/13/2017 - 12:00am
By Abigail Klein Leichman for Israel21c


From e-scooters to smart water systems to upcycled accessories, these items consume fewer natural resources and keep the air cleaner.

 

You don’t have to be a card-carrying tree-hugger to take some simple steps toward a better environment. Whether you care deeply about air and water pollution or just want to cut your energy bills, the things you choose to use can make a difference.


ISRAEL21c looks at eight products designed in Israel that can help make a positive contribution to planet Earth.

 

GREEN HOME

 

Sensibo

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Internatonal Coastal Cleanup Day makes world beaches cleaner.

Mon, 11/06/2017 - 12:00am
by Maurice Picow in Cities, posted on GreenProphet


Solid and liquid waste pollution on most world beaches is an issue that appears to be getting worse; despite efforts by volunteer environmentalists in the Middle East and elsewhere to make beaches cleaner and more eco friendly. Whether it be plastic littered beaches on such places as Midway Island, caused largely by plastic wastes accumulating in the Great North Pacific Gyre, or garbage carelessly thrown upon a Mediterranean beachfront,  coastal pollution is having a severe environmental impact worldwide.

Beginning on a single Texas beach in 1986, a worldwide International Coastal Cleanup day has resulted in millions of kilograms of plastic and other solid wastes being removed from world beachfronts and coastal waterways.

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Artificial reefs are better than the real thing for divers

Mon, 10/30/2017 - 12:00am
By Brian Blum for Israel21c


New study shows artificial reefs in Eilat, meant to take pressure off natural reefs, are growing more popular and preserving authentic coral.


When does an artificial vacation destination trump the real thing? When it’s a diving spot in Eilat and the aim is to preserve the authentic coral reefs nearby.

That’s one of the conclusions from a new study out of Ben-Gurion University of the Negev, published this week in in the Journal of Environmental Management.

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Click here to hear a message from Rabbi Spinrad.

 

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HAMANTASCHEN RECIPE HERE

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Beth El JCC/NV

Wed., February 14 at 10:30 AM

An Interfaith Program with Rabbi Isserow

 

REELABILITIES FILM FESTIVAL

Sunday, February 25 at 4:00 PM

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brotherhood interfaith dinner

Tuesday, February 27 at 6:30 PM

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Beth El Lifelong Learning and JCCNV Joint Program

Sunday, March 18 at 2:00 PM

"Shattering Switzerland's Neutrality Myth:  The Inside Story of
the Investigation of Swiss Banks and Stolen Jewish Assets
During the Holocaust"

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2nd night passover seder

Saturday, March 31, 6:00 PM

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There are activities, meetings, services and seminars at Beth El each week, ranging from service opportunities to Jewish learning and education, drawing members and guests from throughout the Washington, D.C. area.

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