UNITED NATIONS: The future of humanity’s “lifeblood” — water — is under threat worldwide, the UN secretary-general warned on Wednesday at the opening of the global body’s first major meeting on water resources in nearly half a century.

“We’ve broken the water cycle, destroyed ecosystems and contaminated groundwater,” Antonio Guterres said at the three-day summit in New York, which gathers some 6,500 participants including a dozen heads of state and government.

“We are draining humanity’s lifeblood through vampiric overconsumption and unsustainable use, and evaporating it through global heating,” Guterres told the conference.

A report by UN-Water and Unesco released on Tuesday warned of too little or too much water in some places and contaminated water in others — conditions it said highlight the imminent risk of a global water crisis.

“If nothing is done, it will be a business-as-usual scenario — it will keep on being between 40 per cent and 50pc of the population of the world that does not have access to sanitation and roughly 20-25pc of the world will not have access to safe water supply,” report lead author Richard Connor said.

With the global population increasing every day, “in absolute numbers, there’ll be more and more people that don’t have access to these services,” he said.

The report also warned that water “scarcity is becoming endemic” due to overconsumption and pollution, while global warming will increase seasonal water shortages in both areas with abundant water as well as those already strained.

Governments and actors in the public and private sectors are invited to present proposals at the conference to reverse that trend and help meet the development goal, set in 2015, of ensuring “access to water and sanitation for all by 2030”.

The last conference at this high level on the issue, which lacks a global treaty or a dedicated United Nations agency, was held in 1977 in Mar del Plata, Argentina.

“The water crisis is bad enough without climate change,” said Stuart Orr of the World Wildlife Fund.

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“We can build resilient societies and economies if governments and businesses urgently pursue policies, practices and investments that recognise — and restore — the full value of healthy rivers, lakes and wetlands,” he said.

But some observers have already voiced concerns about the scope of commitments and the availability of funding to implement them.

“About 10pc of the world’s population lives in a country where water stress has reached a high or critical level,” the report says.

According to the most recent UN climate study, published on Monday by the IPCC expert panel, “roughly half of the world’s population currently experience severe water scarcity for at least part of the year.”

Those shortages have the most significant impact on the poor, Connor said. “No matter where you are, if you are rich enough, you will manage to get water,” he said.

Women and girls are also “disproportionately affected,” actor Matt Damon, co-founder of the non-profit Water.org, said Wednesday, adding that “millions of girls aren’t in school because of this, because they’re collecting water.”

The report noted the impact of existing water supplies becoming contaminated due to underperforming or non-existent sanitation systems.

“At least 2 billion people (globally) use a drinking water source contaminated with faeces, putting them at risk of contracting cholera, dysentery, typhoid and polio,” it said.

Published in Dawn, March 23rd, 2023