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美国专家称全球变暖导致更多暴力事件 - 导致更多的强奸，谋杀案等。专家称如果全球继续变暖，暴力事件会越来越多。
印度的洪水，和美国的高温，导致了很多此类暴力事件。但是为什么呢？专家称，高温干旱会影响经济，经济不好会影响人们参加起义或产生暴力。全球气温每提高2摄氏度，会导致15%的犯罪率增加。在某些地区会导致50%更多的暴力和起义。高温让人烦躁，容易有暴力。但专家说高温和非洲的暴乱没有关系。非洲暴力是因为人口过于密集，贫穷等原因。
原文 http://www.bbc.co.uk/news/science-environment-23538771
Rise in violence 'linked to climate change'By Rebecca Morelle
Science reporter, BBC World Service
The researchers believe that war and personal conflicts are links to shifts in climate Continue reading the main story
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Shifts in climate are strongly linked to increases in violence around the world, a study suggests.
US scientists found that even small changes in temperature or rainfall correlated with a rise in assaults, rapes and murders, as well as group conflicts and war.
The team says with the current projected levels of climate change, the world is likely to become a more violent place.
The study is published in Science.
Marshall Burke, from the University of California, Berkeley, said: "This is a relationship we observe across time and across all major continents around the world. The relationship we find between these climate variables and conflict outcomes are often very large."
The researchers looked at 60 studies from around the world, with data spanning hundreds of years.
They report a "substantial" correlation between climate and conflict.
Their examples include an increase in domestic violence in India during recent droughts, and a spike in assaults, rapes and murders during heatwaves in the US.
The report also suggests rising temperatures correlated with larger conflicts, including ethnic clashes in Europe and civil wars in Africa.
Biological root?
Mr Burke said: "We want to be careful, you don't want to attribute any single event to climate in particular, but there are some really interesting results."
Continue reading the main story
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University of California, Berkeley
The researchers say they are now trying to understand why this causal relationship exists.
"The literature offers a couple of different hints," explained Mr Burke.
"One of the main mechanisms that seems to be at play is changes in economic conditions. We know that climate affects economic conditions around the world, particularly agrarian parts of the world. and there is lots of evidence that changes in economic conditions affect people's decisions about whether or not to join a rebellion, for example."
But he said there could also be a physiological basis, because some studies suggest that heat causes people to be prone to aggression.
"It is a major priority for future research to distinguish between what is going on in each particular situation."
The scientists say that with the current projected levels of climate change the world is likely to become a more violent place.
They estimate that a 2C rise in global temperature could see personal crimes increase by about 15%, and group conflicts rise by more than 50% in some regions.
However, other researchers have questioned whether climate breeds conflict.
Work published in the Proceedings of the National Academy of Sciences suggested that this environmental factor was not to blame for civil war in Africa.
Instead, the conflict was more highly correlated with other factors, such as high infant mortality, proximity to international borders and high local population density.
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嘻嘻，我也来交流水帐啦！(袋鼠租房，置物片) (2005-9-2) 短腿小鳄鱼 
微距拍花 (2009-9-5) sinkai 
发表于 2013-8-2 12:57
专家懂得真多……
