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Global Crop Production Increases Threefold Over The Past 50 Years | The Global Warming Policy Foundation (GWPF)

Greenhouse gas emissions from agriculture made up 5 billion tons of CO2 equivalents in 2010, or 10% of all anthropogenic greenhouse gas emissions. At the same time, global crop production has expanded threefold over the past 50 years, largely through higher yields per unit of land and crop intensification.

Warning Signs: Short Meteorological Memories

During the Great Depression the 1936 heat wave that hit the Midwest turned farms into dust bowls and farmers lost their summer crops. It is estimated that some 5,000 people died.