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In 2024, the world experienced an alarming climate milestone: for the first time, global temperatures averaged more than 1.5°C above pre-industrial levels. This threshold, established by the Paris Agreement, signifies a critical limit to avoid the most catastrophic impacts of climate change.
Record-Breaking Temperatures in 2024
2024 was the warmest year on record. This is according to the European Union’s Copernicus Climate Change Service (C3S). Global temperatures averaged 1.60°C above the pre-industrial baseline of 1850-1900. This surpasses the 2023 record and marks the first calendar year to exceed the 1.5°C threshold.
The UK’s Met Office corroborated these findings, reporting that 2024 global average temperature was 1.53°C above the 1850-1900 average, with a margin of error of ±0.08°C. This makes it likely the first year to exceed 1.5°C
Contributing Factors
The record-breaking heat in 2024 was influenced by a combination of human-induced climate change and natural climate variability. An El Niño event was present. It is characterised by warmer sea surface temperatures in the Pacific Ocean. This contributed to the elevated global temperatures. However, scientists emphasize that the underlying driver is the persistent increase in greenhouse gas emissions from human activities.
Implications and Urgency for Action
Surpassing the 1.5°C threshold, even for a single year, emphasizes the rapidly increasing pace of global warming. It highlights the narrowing window for effective action. While the Paris Agreement aims to limit warming to well below 2°C, preferably to 1.5°C, above pre-industrial levels, the 2024 data indicates that current efforts may be insufficient.
Climate scientists warn that sustained temperatures above 1.5°C increase the risk of severe weather events, sea-level rise, and irreversible ecological damage. The recent findings highlight the need for immediate action. Decisive steps are necessary to reduce greenhouse gas emissions. We must transition to sustainable energy sources.
Looking Ahead
While 2024 temperature record is concerning, it does not signify a permanent breach of the 1.5°C limit. Climate models suggest that it is still possible to stabilize global temperatures with aggressive emission reductions. This approach can help avoid the most severe impacts of climate change. However, the window for action is rapidly closing. The 2024 milestone is a stark reminder of the urgency required in global climate efforts.
In conclusion, the unprecedented temperatures of 2024 highlight the critical importance of global cooperation. Immediate action is essential in addressing climate change. The data urgently calls policymakers to intensify efforts. Industries and individuals must also work for a sustainable and resilient future.
Planet Pulse 
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