Monthly Archives: February 2020

Scientific analysis of the effect of CO2 on global temperature change

A central tenet of the theory of anthropogenic global warming is that CO2 emissions are the primary driver of the rise in global temperature observed since the 1970s, and by correlation, of the temperature increases observed since the start of … Continue reading

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5680-year tree-ring temperature record for southern South America shows recent warming is not exceptional

A study by Lara et al. (2020) uses tree-ring evidence to show that the recent warming from 1959 – 2009 is not exceptional in the context of the last 5,000 years. The abstract states: It is widely documented that the … Continue reading

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Analysis of a carbon forecast gone wrong: the case of the IPCC FAR

Re-posted from, an article by Alberto Zaragoza Comendador The IPCC’s First Assessment Report (FAR, released in 1990) made forecasts or projections of future concentrations of carbon dioxide that turned out to be too high. From 1990 to 2018, the … Continue reading

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Polar Bear Population Surges

Re-posted from Polar Bear Science: A 2019 survey of polar bears on the Arctic coast of the Beaufort Sea has shown an increase in the number of well-fed, healthy bears. The survey showed the highest number of bears since 2012. … Continue reading

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