UK Environmental Intelligence Assessment Sees Catastrophic Security Risks 0226.rtf - Among other things, the report "warns that an ensuing period of ecosystem collapse could have “catastrophic” consequences for human food, water, and natural resource systems.
It projects that tipping points in many global critical ecosystems could be crossed within the next 2 decades.
As resources shrink and shocks cascade, severe security risks will rise across all sectors.
Quantifying the Influence of Climate on Human Conflict - Hsiang 0913.pdf - meta-analysis of 60 studies. Graphs below tell the story. Some come from studies further down the page, some from other studies. Below, SD = standard deviation.
Rainfall changes (mostly drying) are drivers in panels D, G, H & K below, temperature for the other 8.
Dotted lines come at 1,000 year intervals.
2,600 years of European history
China graph spans 2070 BC - 1450 AD. Titanium count is proxy for strength of winter monsoon winds & rain.
Section Map: Costs, Wars, Migrate +