The United Nations has declared that the Earth’s climate is now in a “state of emergency,” warning that global systems are more destabilized than at any point in recorded history.
In its latest State of the Global Climate report, the World Meteorological Organization (WMO) highlighted how decades of rapid environmental change—driven largely by human activity—are triggering long-term consequences that could persist for centuries.
The report points to rising concentrations of greenhouse gases such as carbon dioxide, methane, and nitrous oxide, which have now reached levels unseen in at least 800,000 years. These emissions continue to accelerate global warming, intensify extreme weather events, and contribute to the rapid melting of ice.
Data from the WMO shows that the period between 2015 and 2025 ranks as the hottest 11-year stretch ever recorded, with 2024 emerging as one of the two or three warmest years on record. The global average temperature has now risen to approximately 1.43°C above pre-industrial levels—dangerously close to the critical 1.5°C threshold scientists warn could trigger severe and irreversible climate impacts.
UN Secretary-General António Guterres described the situation in stark terms, stating that “every key climate indicator is flashing red” and warning that the planet is being pushed beyond its limits.
The report also underscores the increasing frequency and intensity of extreme weather events in 2025, including heatwaves, floods, droughts, wildfires, and powerful storms. These events have led to widespread loss of life, significant economic damage, and growing humanitarian challenges.
Beyond immediate destruction, the WMO warns of cascading global impacts, including rising food insecurity, mass displacement, and serious health risks. Shifting rainfall patterns, for instance, are contributing to the spread of mosquito-borne diseases such as dengue fever, while prolonged heat exposure is increasing cases of heat stress.
Scientists also note that the world’s oceans—absorbing over 90% of excess heat—are warming at an unprecedented rate. This, combined with a record-high planetary energy imbalance, signals that the effects of climate change are becoming locked in over long timescales.
WMO Secretary-General Celeste Saulo emphasized that human activities are disrupting the planet’s natural equilibrium, adding that the consequences will be felt for “hundreds to thousands of years.”
Despite the alarming findings, the report highlights the importance of climate data, early warning systems, and integrated services to help countries better prepare for and respond to climate-related risks.
As global temperatures continue to rise, the UN warns that urgent and sustained action is no longer optional—but essential to prevent further escalation of the crisis.
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