Here's the ugliest global-warming chart you'll ever need to see -- The Register [View all]
https://www.theregister.com/2025/02/23/ugliest_global_warming_chart/
Earth is running a fever. That's not news. What's surprising is exactly how fast its temperature is rising
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The Earth is heating up. No argument. That heat is exacerbating extreme weather. No argument. The effects of climate change are no longer a worry for the future the era that some wordsmiths have dubbed the "climate crisis" is upon us now. And its driver, global warming, is growing at an increasing pace.
To understand just how much and how fast that pace is increasing, we turn to another ugliness: Data analysis specifically, visualizations of large data sets such as the one used to create the chart below, which crams 1,460 data points into a month-by-month representation of how the Earth, both on land and on the surface of the sea, have warmed since reasonably accurate global measurements began to become available in 1880.
Monthly global temperatures

Monthly global temperatures since 1880 ... Sometimes a simple story takes 1,460 data points to tell. Click for full resolution
This chart is an ugly pile-o-data, isn't it? And no, we don't just mean the chart's impenetrable tangle of squiggles. We also mean what those squiggly lines represent: A speedily warming globe, over the past century or so, at least.
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