Tunisian ‘Hanging Garden’ Farms Cling on Despite Drought

A Tunisian flag flutters on a makeshift boat on the Salt Lake in Kebili province, southern Tunisia August 29, 2022. REUTERS/Jihed Abidellaoui
A Tunisian flag flutters on a makeshift boat on the Salt Lake in Kebili province, southern Tunisia August 29, 2022. REUTERS/Jihed Abidellaoui
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Tunisian ‘Hanging Garden’ Farms Cling on Despite Drought

A Tunisian flag flutters on a makeshift boat on the Salt Lake in Kebili province, southern Tunisia August 29, 2022. REUTERS/Jihed Abidellaoui
A Tunisian flag flutters on a makeshift boat on the Salt Lake in Kebili province, southern Tunisia August 29, 2022. REUTERS/Jihed Abidellaoui

High in the hills of northwestern Tunisia, farmers are tending thousands of fig trees with a unique system of terracing they hope will protect them from ever-harsher droughts.

But the "hanging gardens" of Djebba El Olia have been put to the test this year as the North African country sweltered through its hottest July since the 1950s.

That has exacerbated a long drought that has left Tunisia's reservoirs at just a third of their capacity.

The gardens are supplied with water from two springs high in the mountains.

The water is fed into the orchards by a network of canals that are opened and shut at set times, according to the size of the orchard.

Crucially, a wide variety of crops provides resilience and in-built pest control, unlike the monocultures that dominate modern agriculture and require huge inputs of pesticides to survive.

"We grow figs but also other trees like quinces, olives and pomegranates, and beneath them we plant a wide range of greens and legumes," said activist Farida Djebbi as insects buzzed between thyme, mint and rosemary flowers.

Djebbi pointed out some of the channels, which irrigate the area's 300 hectares (740 acres) of steeply sloping orchards.

In 2020, the Food and Agriculture Organization recognized the system as an example of "innovative and resilient agroforestry", adding it to an elite list of just 67 "Globally Important Agricultural Heritage Systems".

The system "has been able to adapt and take advantage of an inhospitable topography", the UN agency said.

"Through the use of natural geological formations and the use of stones, local communities have been able to transform the landscape into fertile and productive lands."

The FAO praised the diversity of local crop varieties grown by the area's farmers, as well as their use of wild plants to repel potential pests and of livestock to "plough" and fertilize the soil.

- Growing up with figs -

While nobody knows exactly how old the system is, human habitation in the area predates the Carthaginian civilization founded in the ninth century BC.

But while it may have endured for generations, the system is under threat as climate change kicks in.

Activist Tawfiq El Rajehi, 60, says the flow of water from springs irrigating the area has dropped off noticeably, particularly in the past two years.

Unlike in previous years, the surrounding peaks no longer get covered in snow each winter, and the leaves of many of the trees in the lower part of Djebba are yellowing and sick.

Rajehi, a teacher at the local school, said climate change and low rainfall were compounded by another factor: farmers favoring cash crops.

"Some farmers have moved to growing more figs instead of less water-intensive crops because figs have become more profitable in recent years," he said.

"We need to keep a good balance and variety of plants."

Nevertheless, residents say they are proud of their heritage.

Farmer Lotfi El Zarmani, 52, said there was also growing demand for Djebba figs, which were given a protected designation of origin by the agriculture ministry in 2012 -- still the only Tunisian fruit to enjoy the certification.

"They're getting a reputation, plus exporting them has become easier, plus they bring higher prices," Zarmani said.

Rajehi's daughter, university student Chaima, put on protective gloves as she set out to harvest the fruit from her family's small lot.

"Figs are more than a fruit for us. We're born here among the fig trees and we grow up with them, we learn from a young age how to look after them," the 20-year-old said.

Djebbi is working to persuade farmers to preserve traditional ways of processing the products harvested in the area.

She is working with 10 other women on a cooperative that distils essence from wildflowers, dries figs, and produces fig and mulberry jam.

"Products we learnt how to make from our mothers and grandmothers are becoming popular because they're of such high quality," she said.



Europe’s Hera Spacecraft Begins Close Inspections of an Asteroid Rammed by NASA in a 2022 Test

This undated image provided by the European Space Agency on Nov. 5, 2026 and taken by the Hera spacecraft, shows asteroid Didymos. (European Space Agency via AP)
This undated image provided by the European Space Agency on Nov. 5, 2026 and taken by the Hera spacecraft, shows asteroid Didymos. (European Space Agency via AP)
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Europe’s Hera Spacecraft Begins Close Inspections of an Asteroid Rammed by NASA in a 2022 Test

This undated image provided by the European Space Agency on Nov. 5, 2026 and taken by the Hera spacecraft, shows asteroid Didymos. (European Space Agency via AP)
This undated image provided by the European Space Agency on Nov. 5, 2026 and taken by the Hera spacecraft, shows asteroid Didymos. (European Space Agency via AP)

A European spacecraft has begun close inspections of an asteroid rammed by NASA four years ago in a planetary defense test.

The European Space Agency announced Wednesday that the Hera spacecraft is now studying Didymos and its moonlet Dimorphos from just 15 miles to 18 miles (25 kilometers to 30 kilometers) away, The AP news reported.

NASA’s Dart spacecraft deliberately slammed into little Dimorphos in 2022 to see whether such a defensive move might help save Earth from a killer space rock one day.

The impact shortened the moonlet’s orbit around Didymos. More importantly, it nudged the moonlet into a slightly different path around the sun.

Next month, the small car-sized Hera, launched in 2024, will venture even closer — just 12 miles (20 kilometers) away.

ESA officials consider this a “crash site investigation” worthy of its finest robotic detective. Hera is carrying 25 science instruments as well as a pair of shoebox-sized Cubesats to survey Dimorphos even more closely and attempt to land on it.

The Dart spacecraft — short for Double Asteroid Redirection Test — sent rubble and even boulders flying off Dimorphos, providing an extra kick to the impact’s momentum. The debris trail extended thousands of miles (more than 10,000 kilometers) into space for months.

Some of that debris could still be in the vicinity, according to scientists.

Dimorphos is an estimated 500 feet (151 meters) in diameter. Didymos is roughly 2,560 feet (780 meters) in diameter.


Euclid Mission Data Release Spans More than 900 Million Galaxies

Looking across vast distances means peering into the past because of the time needed for light from distant objects to reach us (Reuters)
Looking across vast distances means peering into the past because of the time needed for light from distant objects to reach us (Reuters)
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Euclid Mission Data Release Spans More than 900 Million Galaxies

Looking across vast distances means peering into the past because of the time needed for light from distant objects to reach us (Reuters)
Looking across vast distances means peering into the past because of the time needed for light from distant objects to reach us (Reuters)

The European Space Agency has released its first big collection of data from the orbiting Euclid telescope's mission to map the universe's large-scale structure, including observations of more than 900 million galaxies, as scientists investigate the puzzling cosmic components dark matter and dark energy.

The data unveiled on Thursday covered a survey of the sky equal to about 9,500 times the size of the moon as viewed from Earth. The mission's goal is to complete the largest-ever three-dimensional atlas of the cosmos, spanning more than a third of the sky, in 2031.

Thursday's release encompassed around 13 months of Euclid observations, totaling an enormous 1.7 petabytes — 1.7 million gigabytes — of data, Reuters reported.

"It marks a major milestone for ESA's Euclid mission and for everyone involved," said astrophysicist Valeria Pettorino, ESA's Euclid project scientist.

Euclid, launched from Florida in 2023, is gathering data on how the universe has expanded and how its structure has formed over time while amassing information about the nature of dark energy and dark matter and the role of gravity on large scales.

"Euclid will not just take images of galaxies in the sky, in two dimensions, but will also measure their distance, the third dimension. This will tell us where galaxies are in space and time, across 10 billion years, and in all directions beyond our galactic plane," Pettorino said.

"Galaxies cluster along filaments, surrounded by empty space, and form a network that we call the cosmic web. Euclid will reconstruct the cosmic web and how it has grown over time. This is important because the exact configuration of the cosmic web, how many clusters or voids are there, how fast it changed, depend on the properties of dark energy and dark matter," Pettorino said.

The universe's contents include ordinary matter as well as dark matter and dark energy.

Ordinary matter — stars, planets, gas, dust and all the familiar stuff on Earth — represents about 5% of the contents. Dark matter, known from the gravitational effects it exerts on galactic scales, is invisible material that may make up about 27% of the cosmos. Dark energy, thought to be responsible for the accelerated expansion of the universe, may account for 68%.

Dark matter and dark energy do not emit or absorb light and cannot be directly observed.

Previous Euclid data releases covered only a few days of observations. The newly released dataset includes more than a year of data and still spans only 14% of the total sky area Euclid is due to survey in visible and near-infrared light over six years. This data release will be completed next year with the first results on dark energy and dark matter.

GRAVITATIONAL LENSING

Light traveling toward Earth from faraway galaxies can be bent and distorted by normal matter and dark matter in the foreground, an effect called gravitational lensing. Thus, the nearer galaxy's gravity warps the light coming from the one behind.

Gravitational lensing is one of the tools being used to study dark matter's distribution. The new Euclid data includes about 15,000 strong gravitational lens candidates, exceeding the total number discovered in the previous half century.

"Gravitational lenses are nature's own weighing scales," said Natalie Lines, a doctoral student in astrophysics at the University of Portsmouth in England and a member of the Euclid Consortium of scientists.

"How strongly the light is bent tells us how much matter a galaxy contains, including invisible components like dark matter. With thousands of lenses, we can study how dark matter is spread through galaxies and understand how galaxies form and evolve over cosmic time," Lines said.

Lines noted the sharpness of the Euclid images over a huge area of the cosmos.

"Telescopes on Earth can cover large areas of the night sky, but their view is blurred by the atmosphere. The Hubble and James Webb space telescopes take beautifully sharp images, but only of tiny patches of sky. Euclid does both at once, and that is crucial for finding things that are small and rare, like strong gravitational lenses," Lines said.

Looking across vast distances means peering into the past because of the time needed for light from distant objects to reach us. The most distant objects Euclid has viewed are quasars, the brilliant cores of galaxies powered by supermassive black holes. The telescope has pinpointed 60 million of them.

"Euclid has found some dating back to when the universe was just 5% of its current age, so their light set off around 13 billion years ago," Lines said.


Saudi Reef: Coffee Production Reaches 7,400 Tons in 2026

The program also provides specialized training in organic farming, pest control, modern irrigation, and coffee cultivation - SPA
The program also provides specialized training in organic farming, pest control, modern irrigation, and coffee cultivation - SPA
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Saudi Reef: Coffee Production Reaches 7,400 Tons in 2026

The program also provides specialized training in organic farming, pest control, modern irrigation, and coffee cultivation - SPA
The program also provides specialized training in organic farming, pest control, modern irrigation, and coffee cultivation - SPA

The Sustainable Agricultural Rural Development Program (Saudi Reef) reported that Saudi coffee production rose from 800 tons annually in 2020 to approximately 7,400 tons in 2026, an increase of more than 825%, supporting Saudi Vision 2030 objectives.

Saudi Reef spokesperson Majed Al-Buraikan said the number of beneficiaries in the coffee sector exceeded 6,200 in 2026, up 207% from 2021, while total support surpassed SAR 185 million, SPA reported.

The funding supports small-scale producers, agricultural investment, and coffee value chains.

Al-Buraikan said approximately 4.4 million coffee seedlings are expected to raise production to more than 20,000 tons at full capacity.

The program also provides specialized training in organic farming, pest control, modern irrigation, and coffee cultivation.

Development efforts included producing 1,000 improved cuttings to enhance varieties and productivity, agricultural projects involving 8,000 coffee seedlings, and cultivation trials at 12 sites to expand cultivation and improve yields, quality, and sustainability.

The program’s 2026 targets included increasing annual production to 7,000 tons and raising self-sufficiency from 0.5% to 4.4%. Actual production exceeded the target, reaching 7,400 tons.