Global warming alarmists over at Think Progress have found a new measuring stick for the world’s warming temperatures – cow milk production.

A new study conducted by researchers at the University of Washington concludes that milk production in dairy cows could fall dramatically in some areas of the U.S. due to climate change.

The researchers showed that cows, like humans, are sensitive to heat stress. In certain hot and uncomfortable conditions, cows must devote more of their body’s resources to cooling down and devote less energy to milk production. The problem is exacerbated in humid conditions. Because cows perspire to cool down, higher concentrations of water in the air makes it more difficult for sweat to evaporate. Thus, as hot and humid climates become more extreme, they threaten the productivity of dairy cows.

So, this study shows a correlation between milk production in cows and increases in heat and humidity.  With that correlation in mind, we present the following chart that shows that milk production on a per-cow basis has steadily increased over the last ten years.

And this trend isn’t just in the United States.  Just a couple of months ago, the U.S. Dairy Export Council was discussing softer milk prices due to “swelling milk production” worldwide.

Now, if global warming brings less milk, then more milk must equate to global … cooling?  That’s it!  The only explanation for the steady increase in milk production – based on the logic presented by Think Progress – is worldwide cooling temperatures!

Better dust off that old edition of Time…

In the meantime, have a delicious cup of chocolate moo juice on us…