Our planet is facing a climate crisis. The World Meteorological Organization reports that we are experiencing a significant energy imbalance, leading to warmer oceans and more extreme weather. This imbalance threatens our health and food supplies.
From 2015 to 2025, these are the hottest years recorded. However, the heat humans feel is only a small fraction of what’s happening. Around 90% of excess heat is absorbed by the oceans. The warming of these waters has actually accelerated in the last two decades, more than doubling compared to the previous 45 years.
The latest report warns that human activities, like burning fossil fuels, are pushing the planet out of balance. Greenhouse gases, such as carbon dioxide and methane, are at their highest levels in at least 800,000 years. This disruption in energy balance means the heat coming in is more than what flows out, leading to a buildup of energy that started accumulating in the 1960s.
The situation is alarming. The report shows that Earth’s energy imbalance grew by about 11 zettajoules each year from 2005 to 2025. This is equivalent to 18 times the total global energy usage. Last year, it doubled that amount.
Only a small percentage of this extra heat warms the atmosphere; most of it heats the oceans. But even with just a fraction affecting the surface, temperatures are soaring. Last year was one of the hottest on record, and experts agree that we are likely to exceed the 1.5°C increase limit established by the Paris Agreement. The consequences are already visible: failing crops, a rise in dengue fever, and more frequent heatwaves and storms.
UN Secretary-General António Guterres highlights the urgency of our situation: “Every key climate indicator is flashing red.” This is not just a warning; it’s a call for action as we experience the 11 hottest years in a row.
The impact on oceans is troubling. We are witnessing rising sea levels and declining sea ice. The increase in ocean heat is affecting deep circulation patterns, which could have consequences for thousands of years. Near the surface, heatwaves and acidification threaten coral reefs and other marine life. As ice melts, it also reduces the planet’s ability to reflect sunlight, worsening the energy imbalance.
There’s no break in sight. The Pacific is moving out of a cooler La Niña phase and could enter an El Niño phase later this year, likely leading to even higher temperatures. Dr. John Kennedy, the lead author of the WMO report, suggests this shift could push global temperatures to record highs.
The future looks challenging, and we must pay attention to these changes. Understanding the links between human activity and climate change will be vital in shaping our response.
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