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Tipping points are connected and crossing one could hasten the approach of another, the UN researchers said.

The world is heading towards a series of environmental "tipping points" that could cause irreversible damage to water supplies and other life-sustaining systems, the research arm of the United Nations warned on Wednesday. Climate change and the overuse of resources have put the world on the brink of six interconnected tipping points that "could trigger abrupt changes in our life-sustaining systems and shake the foundation of societies," the UN University's Institute for Environment and Human Security (UNU-EHS) said.

Tipping points are connected and crossing one could hasten the approach of another, the UN researchers said.

The Interconnected Disaster Risks report identified accelerating rates of extinction, groundwater depletion, glacial melt and extreme heat as the major interconnected threats.

A new report by the United Nations warns that some areas in the Indo-Gangetic basin in India have already reached the tipping point of groundwater depletion, and the entire northwestern region is expected to face critically low groundwater availability by 2025. The report highlights that the world is approaching six environmental tipping points, including groundwater depletion, which can lead to irreversible changes in ecosystems and climate patterns.