Fast Facts
- Since 2015, global warming has significantly accelerated, confirmed by new analysis.
- Warming rate from 2015 onward is about 0.35°C per decade.
- Scientific methods isolate long-term warming from natural temperature fluctuations.
- Continued high emissions could cause global temperature to exceed 1.5°C before 2030.
Scientists Confirm Faster Warming Since 2015
A new study from the Potsdam Institute for Climate Impact Research shows global warming has sped up noticeably since around 2015. Researchers analyzed temperature data from five major sources, removing natural influences like El Niño and volcanic activity. Their findings reveal a clear acceleration in long-term warming, with the planet heating at approximately 0.35°C per decade in recent years. This rate surpasses the pre-2015 pace of below 0.2°C per decade. The evidence is strong, with over 98 percent certainty, and consistent across all datasets.
The data indicates that the acceleration began around 2013 or 2014 and became more evident after 2015. Even when adjusting for short-term events like natural variability, global temperatures in 2023 and 2024 remain the highest since records began. Researchers used two statistical methods to confirm the trend. Both showed that the warming rate is increasing, not staying steady. While the study did not identify an exact cause, current climate models support the possibility of periods where warming speeds up naturally.
Implications for the Future and Climate Goals
If the current warming trend continues, Earth could surpass the critical 1.5°C increase above pre-industrial levels before 2030. This threshold is a goal of the Paris Agreement, aimed at preventing the worst impacts of climate change. A single year exceeding 1.5°C does not mean the goal is permanently lost, but sustained warming can push the planet past this limit.
The faster pace of warming raises alarms about the urgency of reducing greenhouse gases. Human actions have a significant role in how quickly temperatures rise. Cutting carbon emissions from coal, oil, and gas remains essential. The study’s results underscore the importance of swift, effective policy and technology to slow down the acceleration. Addressing climate change requires not only understanding the scientific trends but also taking immediate steps to stabilize the Earth’s climate system.
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