Watch 131 Years of Global Warming in 26 Seconds
From our friends at NASA comes this amazing 26-second video, depicting how temperatures around the globe have warmed since 1880. That year is what scientists call the beginning of the “modern record.” You’ll note an acceleration of those temperatures in the late 1970s as greenhouse gas emissions from energy production increased worldwide. The data comes from NASA's Goddard Institute for Space Studies in New York, which monitors global surface temperatures. As NASA notes, “in this animation, reds indicate temperatures higher than the average during a baseline period of 1951-1980, while blues indicate lower temperatures than the baseline average.”
This post originally appeared at OnEarth partner Climate Central
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Why do they use the years 1951 - 1980 as the baseline average?
I worked with world weather data for 13+ years as a government computer guy doing programming for meteorologists and enjoyed opportunities to create visual representations of the science. I watch this video and many questions come to mind such as...
How many data points were used? over time? Where were they? How accurate was the equipment? Were there extraterrestrial events (i.e., solar activity) that are relevant?
I don't question the concept of "global climate change," but merely have to know more about the numbers behind the pictures.
















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...Climate Central is a nonprofit, collaborative group of scientists and communicators. Its mission is to create a bridge between the scientific community and the public, providing clear, honest, nonpartisan, and up-to-date information to help people make sound decisions about climate and energy.
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