The Earth is facing a growing imbalance in its energy system, with new research showing that the planet is absorbing more heat than it is releasing back into space. This trend continued in 2025 even under the cooling influence of La Niña, highlighting the strong impact of human-driven greenhouse gas emissions.
Scientists warn that this imbalance is not temporary. Instead, it reflects a long-term shift that could intensify global climate risks in the coming years.
A Decade of Unprecedented Heat
Climate data confirms that the period from 2015 to 2025 has been the warmest decade ever recorded. Within this period, 2025 ranks among the top three hottest years globally.
Researchers note that the majority of excess heat is stored in the oceans. Over the past two decades, the amount of heat absorbed by oceans is estimated to be nearly 18 times greater than the total annual energy consumption of humanity.
Only a small fraction of this trapped heat directly increases air temperature. Most of it contributes to rising ocean temperatures, accelerating ice melt, and long-term changes to land ecosystems.
Energy Imbalance Increasing at a Faster Pace
The Earth’s energy imbalance has been rising steadily since the 1960s, but recent decades show a much sharper increase. Between 2005 and 2025, the imbalance grew by an average of around 11 zettajoules per year.
In 2025, this increase more than doubled, surpassing many scientific projections. Experts say this rapid growth is a major driver of extreme weather events.
Rising heat levels are linked to stronger heatwaves, heavier rainfall, and more intense cyclones. These changes are already affecting millions of people and placing economic systems under strain worldwide.
Experts Call for Urgent Global Response
Climate experts, including leaders from the World Meteorological Organization, have raised concerns about the long-term impact of continued emissions.
They warn that human activities are pushing the climate system toward changes that could last for centuries. Immediate action is needed to reduce greenhouse gas emissions and strengthen global monitoring systems.
There is also concern that a possible El Niño event later this year could lead to further increases in global temperatures.
A Critical Moment for Climate Action
The latest findings underline the urgency of addressing climate change. The growing energy imbalance is not just a scientific issue but a global challenge that affects ecosystems, economies, and human life.
Without coordinated international efforts, the risks associated with rising temperatures and extreme weather are expected to intensify.
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