Despite the much heralded “greenhouse effect” that is said to be warming the Earth’s climate, average temparetures in Illinois have fallen significantly in the last five decades, an analysis by state weather scientists shows.
From 1930 to 1983, the average temperature in the state fell 3.5 degrees Fahrenheit. That contrasts with an increase of 5.5 degrees between 1850 and 1930.
The cooling trend in Illinois has occurred at a time of heavy industrial ativity in North America that has released tremendous amounts of carbon dioxide into the atmosphere through the burning of fossil fuels such as coal and oil.
Source: Chicago Tribune