From an unquestioning Associated Press:
Study: Hotter temperatures lead to hotter tempers
By SETH BORENSTEIN | August 1, 2013
WASHINGTON (AP) — As the world gets warmer, people are more likely to get hot under the collar, scientists say. A massive new study finds that aggressive acts like committing violent crimes and waging war become more likely with each added degree.
Researchers analyzed 60 studies on historic empire collapses, recent wars, violent crime rates in the United States, lab simulations that tested police decisions on when to shoot and even cases where pitchers threw deliberately at batters in baseball. They found a common thread over centuries: Extreme weather — very hot or dry — means more violence.
How "recent" is recent? There hasn’t been any increase in global warming for the last 17 years. Even according to the global warmists.
By the way, notice the typical ‘bait and switch’ in this article. It starts off talking about global warming, then quietly shifts to "extreme weather."
The authors say the results show strong evidence that climate can promote conflict. "When the weather gets bad we tend to be more willing to hurt other people," said economist Solomon Hsiang of the University of California, Berkeley.
He is the lead author of the study, published online Thursday by the journal Science…
The team of economists even came up with a formula that predicts how much the risk of different types of violence should increase with extreme weather. In war-torn parts of equatorial Africa, it says, every added degree Fahrenheit or so increases the chance of conflict between groups— rebellion, war, civil unrest — by 11 percent to 14 percent.
For the United States, the formula says that for every increase of 5.4 degrees Fahrenheit, the likelihood of violent crime goes up 2 percent to 4 percent.
But hasn’t violent crimed been dropping in the US for decades now? Does that mean there hasn’t been any global warming?
Temperatures in much of North America and Eurasia are likely to go up by that 5.4 degrees by about 2065 because of increases in carbon dioxide pollution, according to a separate paper published in Science on Thursday…
The same paper sees global averages increasing by about 3.6 degrees in the next half-century. So that implies essentially about 40 percent to 50 percent more chance for African wars than it would be without global warming, said Edward Miguel, another Berkeley economist and study co-author…
Oh, our sides. Betting on wars in Africa is sort of like betting Democrats will commit voter fraud. It’s a pretty sure thing, no matter what the weather.
In one study, police officers in a psychology experiment were more likely to choose to shoot someone in a lab simulation when the room temperature was hotter, Hsiang said. In another study, baseball pitchers were more likely to retaliate against their opponents when a teammate was hit by a pitch on hotter days. Hsiang pointed to the collapse of the Mayan civilization that coincided with periods of historic drought about 1,200 years ago…
Okay. We’re convinced. Who can argue with scientific evidence like this?
People often don’t consider human conflict when they think about climate change, which is "an important oversight," said Ohio State University psychology professor Brad Bushman, who wasn’t part of the study but whose work on crime and heat was analyzed by Hsiang.
There’s a good reason why people get more aggressive in warmer weather, Bushman said. Although people say they feel sluggish when they are hot, their heart rate and other physical responses are aroused and elevated. They think they are not agitated, when in fact they are, and "that’s a recipe for disaster," Bushman said…
So we are hopping mad and we don’t even know it?