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June 12, 2015 3:51 pm

Israeli Water Experts Present Green Walls at Expo Milano

avatar by Eliezer Sherman

A green wall in Singapore. Photo: Wikimedia Commons.

A green wall in Singapore. Photo: Wikimedia Commons.

Israeli water experts traveled to the 2015 Expo Milano on food production, culture and diplomacy, to present the latest Israeli water-saving technologies.

Among advancements Israeli innovators presented were so-called green walls, vertical gardens soiled directly into indoor and outdoor walls.

The Israeli team showed a green wall that had been planted along the Israeli pavilion at the event. The wall was about 230 feet long by 39 feet high, planted with rice, wheat and corn, and managed through a computer program and mobile app, Chinese Xinhua news reported on Thursday.

A remarkable food-producing element of this vertical garden is that it only takes 1,500 liters of water to produce 1 kilogram of rice, while it normally takes up to 3,000 liters.

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By comparison, it takes 13,000 – 15,000 liters of water to produce 1 kilogram of grain-fed beef, according to the International Fund for Agricultural Development .

The Israeli team said the green walls could be irrigated mostly through drip technology, also developed in the Jewish state, and today used in agriculture around the globe.

These vertical gardens also provide soundproofing for residential homes, said Enrico Zilli, press officer for the Israeli pavilion, and they allow cities to grow food using less real estate. Apple, Facebook and Google have already worked with Israeli firm GreenWall to develop vertical gardens.

Also on Thursday, Israeli water experts were in Sacramento to discuss water saving technologies in drought-racked California, such as drip irrigation for crops and desalinization plants on Israel’s Mediterranean coast.

Israel has five desalination plants along its coastline that could provide enough water for the whole country, said Sivan Cohen, a spokeswoman for Israeli startup Ayyeka, according to KCRA.

Just a few months ago, the Israeli Consul of Los Angeles announced an agreement between Israel and the city on developing green technologies, with the help of Israeli experts.

Among those efforts are the introduction of greywater technologies, which use treated wastewater from sinks, showers and washing machines to irrigate parks and fields.

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