Ecological Threat Report by the Institute for Economics & PeaceThis is the fourth edition of the Ecological Threat Report (ETR), which analyses ecological threats in 221 independent states and territories. Produced by the Institute for Economics & Peace (IEP), the report covers 3,594 sub-national areas which account for 99.99 per cent of the world’s population. The ETR assesses threats relating to food insecurity, water risk, natural disasters, and demographic pressure.