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Watch 63 Years of Global Warming in 14 Seconds


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Watch 63 Years of Global Warming in 14 Seconds

This iconic animation from our friends at NASA depicts how temperatures around the globe have warmed since 1950. You’ll note an acceleration of the temperature trend in the late 1970s as greenhouse gas emissions from energy production increased worldwide and clean air laws reduced emissions of pollutants that had a cooling effect on the climate, and thus were masking some of the global warming signal.

The data come from NASA's Goddard Institute for Space Studies in New York (GISS), which monitors global surface temperatures. As NASA notes, “All 10 of the warmest years in the GISS analysis have occurred since 1998, continuing a trend of temperatures well above the mid-20th century average."

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Comments

By Jacob (Princeton, NJ)
on February 11th, 2014

The issue of Climate Change is significant in many ways. A great majority of people do not realize that this info graphic represents the very beginning of what is yet to come. Some of the reasons you support climate action might be safety, ecological sustainability, and simple cost benefit analysis. The one thing I know for sure is that among those who are in the know about climate change, the debate is not one over whether to require near term emissions reductions, but by how much.

Reply to this comment

By Harvey karisma (Seattle wa)
on June 22nd, 2014

How do u explain the cooling trend of the last 15 years? Or do u simply ignore it?

Reply to this comment

By Mark in New England (Nashua NH 03060)
on July 14th, 2014

What cooling trend? There has been no cooling trend!

Reply to this comment

By B DUBS
on July 14th, 2014

But what about temperature adjustments

Reply to this comment

By Dan Pangburn (Phoenix)
on August 16th, 2014

CO2 increase from 1800 to 2001 was 89.5 ppmv (parts per million by volume). The atmospheric carbon dioxide level has now (through July, 2014) increased since 2001 by 27.41 ppmv (an amount equal to 30.6% of the increase that took place from 1800 to 2001) (1800, 281.6 ppmv; 2001, 371.13 ppmv; July, 2014, 398.54 ppmv).

The average global temperature trend since 2001 is flat (average of the 5 reporting agencies

That is the observation. No amount of spin can rationalize that the temperature increase to 2001 was caused by a CO2 increase of 89.5 ppmv but that 27.41 ppmv additional CO2 increase had no effect on the average global temperature trend after 2001. 

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