UN Report Identifies Six Global Risk Tipping Points Demanding Swift Response

UN Report Identifies Six Global Risk Tipping Points Demanding Swift Response

Akif Wani | November 2, 2023 | 12:16 PM IST | Climate & Environment | Follow on Google News

UN Report Identifies Six Global Risk Tipping Points Demanding Swift Response

UN Report Identifies Six Global Risk Tipping Points Demanding Swift Response

A new report from the United Nations University – Institute for Environment and Human Security (UNU-EHS) has identified six interconnected risk tipping points that are pushing our world to the brink. These tipping points, when reached, could lead to immediate and escalating global risks, with far-reaching consequences. As we approach these tipping points, the impacts are already being felt, and reversing course becomes increasingly challenging. In this article, we delve into the critical issues outlined in the report and the urgency of addressing them.

Extinctions: A Human-Induced Crisis

Extinctions are a natural part of Earth’s history, but human activities have accelerated the process. Land-use changes, overexploitation, climate change, pollution, and invasive species have wiped out over 400 vertebrate species in the last century. Additionally, one million plant and animal species are at risk of extinction, and vast swaths of primary forests have been lost. The extinction of one species can trigger a domino effect on the ecosystem, exemplified by the endangered gopher tortoise and dusky gopher frog, whose interdependence underscores the fragility of our ecosystems.

Depleting Groundwater: The Hidden Crisis

Two billion people rely on groundwater for their primary source of freshwater, with 70% used for agriculture. Yet, 21 of the world’s 37 largest aquifers are depleting faster than they can be replenished. In India, Punjab’s wells are overexploited, and the northwest region faces critically low groundwater availability by 2025. Groundwater, a non-renewable resource that took thousands of years to accumulate, is in jeopardy.

Melting Mountain Glaciers: A Water Source in Peril

Mountain glaciers serve as vital sources of water for drinking, irrigation, and hydropower. Global warming has accelerated their melting, putting 1.9 billion people at risk. Between 2000 and 2019, glaciers lost 267 gigatons of ice per year. Even if we limit global warming to 1.5 degrees Celsius, we could lose half of these glaciers by 2100. This alarming trend threatens water security and ecosystems.

Space Debris: The Growing Menace in Orbit

Out of 34,260 objects orbiting Earth, only 25% are functional satellites, while the rest are space debris. With an estimated 130 million pieces of untrackable debris, collisions pose significant threats to functional satellites. Space debris, ranging from minuscule flecks of paint to massive metal fragments, travels at speeds exceeding 25,000 kilometers per hour, making collisions a real concern.

Unbearable Heat: A Lethal Combination

“Unbearable heat” refers to wet-bulb temperatures above 35°C, a deadly combination of temperature and humidity. High humidity impedes sweat evaporation, leading to organ failure and brain damage. With extreme weather events on the rise and increasing severity, the cost of damage has surged, complicating insurance delivery. Weather-related disasters have caused sevenfold increases in damages since the 1970s, with 2022 alone accounting for $313 billion in global economic losses.

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Akif Wani