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UN report warns of global water crisis amid climate change

Much of the world is unprepared for the floods, hurricanes, and droughts expected to worsen with climate change and urgently needs better warning systems to avert water-related disasters

PTI PTI
Washington Published on: October 05, 2021 23:48 IST
Global warming, water crisis, UN reports
Image Source : PTI

Global water management is “fragmented and inadequate,”  says UN report. 

Much of the world is unprepared for the floods, hurricanes, and droughts expected to worsen with climate change and urgently needs better warning systems to avert water-related disasters, according to a report by the United Nations' weather agency. Global water management is “fragmented and inadequate,” the report published Tuesday found, with nearly 60 per cent of 101 countries included in the report needing improved forecasting systems that can help prevent devastation from severe weather.

As populations grow, the number of people with inadequate access to water is also expected to rise to more than 5 billion by 2050, up from 3.6 billion in 2018, the report said. Among the actions recommended by the report were better warning systems for flood- and drought-prone areas that can identify, for example, when a river is expected to swell.

Better financing and coordination among countries on water management is also needed, according to the report by the UN's World Meteorological Organisation, development agencies and other groups.

“We need to wake up to the looming water crisis,” said Petteri Taalas, secretary-general of the World Meteorological Organization. The report found that since 2000, flood-related disasters globally rose 134 per cent compared to the previous two decades. Most flood-related deaths and economic losses were in Asia, where extreme rainfall caused massive flooding in China, India, Indonesia, Japan, Nepal, and Pakistan in the past year.

The frequency of drought-related disasters rose 29 per cent over the same period. African countries recorded the most-drought-related deaths. The steepest economic losses from the drought were in North America, Asia, and the Caribbean, the report said.

Globally, the report found 25 per cent of all cities are already experiencing regular water shortages. Over the past two decades, it said the planet's combined supplies of surface water, groundwater, and water found in soil, snow, and ice have declined by 0.4 inches (1 centimeter) per year.

Population growth will further strain water supplies, particularly in sub-Saharan Africa, said Elfatih Eltahir, a professor of hydrology and climate at the

Massachusetts Institute of Technology, who wasn't involved in the report. “The availability of water in rising populations shapes where water adaptation will be quite urgent,” he said. Despite some progress in recent years, the report found 107 countries would not meet goals to sustainably manage water supplies and access by 2030 at current rates. 

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