Earth’s oceans just hit their hottest temperature ever recorded

Earth's oceans reached an unprecedented temperature of 21.10 degrees Celsius on August 22, setting a new record that surpasses the previous high of 21.09 degrees Celsius set in March 2024, according to the European Union’s Copernicus Climate Change Service. This alarming development indicates that ocean temperatures are continuing to rise due to climate change, according to climate scientists.

The new record can be attributed to the ongoing El Niño climate pattern, which brings unusually warm temperatures to the Pacific Ocean. This trend is consistent with decades of research showing the Earth's climate is changing as it warms, and without reductions in fossil fuel burning, the warming will only intensify. Zachary Labe, a climate scientist at Climate Central, emphasizes that this record-breaking temperature is not surprising and is consistent with decades of research.

The record high also highlights the growing stress on the ocean, which can lead to worsening sea-level rise, disruptions in weather patterns, and harm to marine life, including coral reefs. Labe adds that this record is likely to be broken again in the coming months, signaling that the situation will only worsen if action is not taken to reduce greenhouse gas emissions.