March 15, 2021
Climate change alarmists can't explain Pittsburgh
By
Brian Tomlinson
Global warming as it's argued today is pretty much a crock.
Let's take one example to show it, with data from the city of Pittsburgh.
Back in the mid-20th century, Pittsburgh was famously filled with smog and air pollution. In recent decades, its air has become clean.
So why have Pittsburgh, Pennsylvania's mean annual temperatures actually risen? Have they, really?
The following mean temperatures by month and by year for Pittsburgh, Pennsylvania, can be found today at Weather.gov. The data have been collected since 1871.
I created a simple spreadsheet then created three sets of data for trend line analysis: all mean annual data starting from 1871 through 2020; same data abridged from 1940 through 2020; and 1983 through 2020. The trend lines show the following: