By John Lawrence
Many records for snowfall and extreme cold were set in February. Some might think this is a sign of the nonexistence of global warming, but they would be wrong.
Maybe the terminology should be more appropriately “climate change,” but global warming still holds if the average surface air temperature sets records as it did in 2014 despite extreme cold in the northeast US.
It remains to be seen if extreme heat elsewhere in the world will make up for the extreme cold over much of the eastern half of the US in 2015.
Amid the extreme cold and snowfall records in the eastern half of the US, February also set a record for carbon dioxide levels in the atmosphere. For the first time in February the earth’s average carbon dioxide level was above 400 ppm. Last year, the monthly average didn’t go above that level until April, which was the first month in human history with carbon dioxide levels that high.