Climate experts say summer nights have gotten warmer. One study found the average minimum temperature in the United States has gotten warmer by 2.5 degrees over the last 50 years. For farmers, this means crops and livestock could suffer.
Climate experts say summer nights have gotten warmer. One study found the average minimum temperature in the United States has gotten warmer by 2.5 degrees over the last 50 years. For farmers, this means crops and livestock could suffer.