Cross-border humanitarian aid to Syria remains vital for the lives of millions, UN Secretary General Antonio Guterres said in an internal report on Tuesday.
It comes as a UN authorisation allowing aid into rebel-held areas in the country's north-west without approval from Damascus is up for renewal.
A rare moment of co-operation between the US and Russia in July allowed a six-month extension of activity at Bab Al Hawa, the only border crossing through which aid reaches the rebel stronghold of Idlib province.
The authorisation, renewable once, runs until January 10.
"Cross-border assistance remains lifesaving for millions of people in need in north-west Syria," Mr Guterres said in a confidential document obtained by AFP.
He said more than four million people were in need of crucial assistance across the country.
The US and several European nations believe the UN authorisation for the crossing between Syria and Turkey should renew automatically for an additional six months, without the need for a new vote.
But Russia, a key ally to the Damascus regime, has previously opposed the move, invoking Syrian sovereignty.
Moscow has linked any potential extension to Tuesday's report, as well as a possible new vote.
The cross-border mechanism has been operating since 2020 through Bab Al Hawa, after the Russian-imposed removal in 2019 of three other access points in Syria.
In Tuesday's document, the UN chief refers to another project for humanitarian operations, this time across the front lines, to reach Idlib.
"If implemented, this plan will make operations across the front lines more predictable and effective," Guterres said.
However, he insisted upon the importance of the Bab Al Hawa crossing.
"At this point such cross-line convoys, even if deployed regularly, could not replicate the size and scope of the cross-border operation," he said.
Mr Guterres said some 4.5 million people in Syria need help this winter, up 12 per cent from the previous year, because of the economic crisis and the Covid-19 pandemic.
Only 2.9 per cent of the Syrian population is fully vaccinated, according to the report.
More than three million people live in Idlib province, much of which is controlled by jihadists and allied rebels.
In June, the UN said around 2.4 million people there were in need of humanitarian aid.
In pictures - Syria's Banksy struggles to survive in Idlib
UAE currency: the story behind the money in your pockets
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Other ways to buy used products in the UAE
UAE insurance firm Al Wathba National Insurance Company (AWNIC) last year launched an e-commerce website with a facility enabling users to buy car wrecks.
Bidders and potential buyers register on the online salvage car auction portal to view vehicles, review condition reports, or arrange physical surveys, and then start bidding for motors they plan to restore or harvest for parts.
Physical salvage car auctions are a common method for insurers around the world to move on heavily damaged vehicles, but AWNIC is one of the few UAE insurers to offer such services online.
For cars and less sizeable items such as bicycles and furniture, Dubizzle is arguably the best-known marketplace for pre-loved.
Founded in 2005, in recent years it has been joined by a plethora of Facebook community pages for shifting used goods, including Abu Dhabi Marketplace, Flea Market UAE and Arabian Ranches Souq Market while sites such as The Luxury Closet and Riot deal largely in second-hand fashion.
At the high-end of the pre-used spectrum, resellers such as Timepiece360.ae, WatchBox Middle East and Watches Market Dubai deal in authenticated second-hand luxury timepieces from brands such as Rolex, Hublot and Tag Heuer, with a warranty.
COMPANY PROFILE
Name: HyperSpace
Started: 2020
Founders: Alexander Heller, Rama Allen and Desi Gonzalez
Based: Dubai, UAE
Sector: Entertainment
Number of staff: 210
Investment raised: $75 million from investors including Galaxy Interactive, Riyadh Season, Sega Ventures and Apis Venture Partners
The 12 Syrian entities delisted by UK
Ministry of Interior
Ministry of Defence
General Intelligence Directorate
Air Force Intelligence Agency
Political Security Directorate
Syrian National Security Bureau
Military Intelligence Directorate
Army Supply Bureau
General Organisation of Radio and TV
Al Watan newspaper
Cham Press TV
Sama TV