January wasn't expected to break global temperature records. But it did.

In January 2025, Earth experienced record-breaking temperatures, making it the hottest January ever recorded. This trend of increasing temperatures has been ongoing for the past few years due to human activities such as burning fossil fuels and deforestation. Despite expectations of a slight cooling due to the La Niña climate phase, temperatures continued to rise. Scientists are concerned that they may have underestimated the extent of global warming, leading to potentially more extreme weather events in the future. Various factors, including natural climate cycles and changes in solar energy and air pollution, are believed to have contributed to the unprecedented heat.

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