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Cyprus increases desalination in response to worsening droughts

The Saint Nicholas Church in the hills over Limassol is normally submerged by the Kouris Reservoir. It offers a stark view of the water crisis that has been escalating in Cyprus. The building's belfry has been exposed, and it is surrounded by arid earth.

Cyprus, located in the extreme east of the Mediterranean Sea, has always been a place where drought is a constant. Climate change has made dry spells a constant challenge, and authorities are turning more to desalination in order to meet the rising water demand.

The annual rainfall in Nicosia has decreased by 15% over the last 90 years. Temperatures in Nicosia, however, have increased by 1.8 degrees Celsius during the past century - double the global average.

On September 1, the island reservoirs were only 14.7% full.

The demand for water in Cyprus has tripled since 1990 due to population growth and tourism. Cyprus has a population just under one million and receives nearly three million tourists each year.

Yianna Oikonomidou is the senior executive engineer of the Water Development Department. She said that by 2023, the deficit will reach 66 million cubic meters - more than 266,000 Olympic-sized swimming pools.

She said, "It shows just how large the problem is and why we're trying to solve it with non-conventional methods such as desalination and re-use treated water, which aligns perfectly with the principles of the circular economy."

In 1997, desalination began in Cyprus and today it covers 70% of the country's drinking water requirements. This summer, authorities installed mobile plants from the United Arab Emirates. They plan to install more next year. The government's ultimate goal is to have desalination meet household and commercial needs.

Maria Panayiotou, Minister for Agriculture, Environment and Natural Resources, said, "Our goal is to stop relying on the weather." She said that the current administration has adopted a policy of keeping desalination plants running regardless of the season.

"Rain, or no rain, Cyprus has to cover its water needs and we can only do that by utilizing the technology available to us. We must also improve our networks, and develop a water-consciousness to minimise waste."

Some criticise the use of seawater, even as desalination plant hums along the coast.

"It's very expensive... and can cause damage if you're not careful," warned MP CharalambosTheopemptou. He is the chair of Parliament's Environment Committee.

The fisherman complained about "no life" and depleted stock in the areas where desalination brine is discharged. The Agriculture Ministry claims that monitoring has shown no negative impact.

Scientists warn that the island faces greater risks. Desertification is accelerated by farming practices such as growing water-intensive plants.

Michael Loizides is a chemical and environment engineer at the AKTI Project and Research Centre.

His group has been involved in a pilot funded by the EU that seeks sustainable ways to stop land degradation. For example, composting can restore soil and improve water storage. "Cyprus faces a dire situation. "We have to be innovative and creative," he said. (Reporting and editing by Frances Kerry, Michele Kambas)

(source: Reuters)