A fellow in Urbana, IL went through local temperature records covering 1914-1964. These temps had been measured 3 feet down in the soil and the air temp by the local university. He found a 1.4F increase in average temperatures. It has continued through today.
The excess CO2 in the atmosphere will exacerbate this warming trend in the next 100 years, causing the temp to increase more than normal.
So the overall warming is a normal cycle but the warming will be increased by CO2 blocking the normal radiation of heat from the earth into space.
A fellow in Urbana, IL went through local temperature records covering 1914-1964. These temps had been measured 3 feet down in the soil and the air temp by the local university. He found a 1.4F increase in average temperatures. It has continued through today.
The excess CO2 in the atmosphere will exacerbate this warming trend in the next 100 years, causing the temp to increase more than normal.
So the overall warming is a normal cycle but the warming will be increased by CO2 blocking the normal radiation of heat from the earth into space.