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World Heats Up: Urgent Action Needed Now
6 Nov
Summary
- 2024 marked Earth's hottest year, surpassing 1.5C warming.
- Human activities, especially fossil fuel use, drive rapid warming.
- Global warming threatens billions, with poorer nations most vulnerable.
Global temperatures are rapidly rising due to human activities, with 2024 identified as Earth's hottest year on record. This year also marked the first time the planet surpassed 1.5C of warming compared to pre-industrial levels. Scientists emphasize that this warming trend, observed over the last century, cannot be attributed to natural causes but is definitively linked to the widespread use of fossil fuels like coal, oil, and gas.
These fossil fuels release greenhouse gases, primarily carbon dioxide (CO2), which trap heat in the atmosphere, acting like a blanket around the Earth. Since the Industrial Revolution, atmospheric CO2 levels have increased by over 50%. This warming trend is projected to continue, with potential for further record-breaking hot years.
The consequences of this long-term warming are severe, impacting both people and nature. Nearly 200 countries have pledged to limit global warming to 1.5C above pre-industrial levels, a target generally understood as a 20-year average increase. Exceeding this threshold, especially reaching 2C or more, risks crossing irreversible "tipping points" with catastrophic outcomes.
Approximately 3.3 to 3.6 billion people are highly vulnerable to climate change, with those in poorer countries expected to suffer the most due to limited adaptive resources. While emissions reductions are crucial, humanity's CO2 emissions remain at record highs. Urgent and stringent cuts to greenhouse gas emissions are essential to limit global warming and avoid a potential rise of nearly 3C by the end of the century.
