Increasing temperatures may lead to higher suicide rates due to the impact of warmer weather on how individuals perceive, evaluate and act on their own personal situation
Global warming will likely increase suicide rates globally - science news

According to a new study, rising temperature due to global warming will have a surprising effect: they will increase the rates of suicide worldwide. The study estimates that by 2050 increasing temperatures could lead to an additional 21,000 suicides in the United States and Mexico. Until now, it has been difficult to disentangle the role of temperature and other risk factors in suicide. This study could be the first evidence that climate change will have a substantial effect on mental health, with tragic consequences.

Read the full story: Univresity of California, Berkely
Scientific publication: Nature Climate Change