Extreme heat

Wildfires

Drought and desertification

Sea level rise

Ocean warming / acidification

Ecosystem collapse

Global biodiversity loss

Irreversible pollution

Resource depletion

Critical mineral extraction and competition

Pandemics

Human fertility decline

Zombie pathogens

Bio-engineered weapons/accidents

Environmentally-mediated intellectual decline

Nuclear war

Biological warfare

Genocide and crimes against humanity

Invasion/occupation

Accelerationist ideologies and strategies

Violent competition over critical minerals

Neo-colonial policy and practice

Cyber-attacks

Space warfare

Global economic collapse

Complexification

Totalitarian/authoritarian regimes

Demographic collapse

Narratives and practices of dehumanisation

Social and cultural erasure

Artificial intelligence / AGI threats

Lethal autonomous weapons systems

Human-machine cognitive integration risks

Anti-satellite weapons proliferation

Stratospheric geo-engineering

AI-generated pathogens

Nanotech weapons systems

Quantum capabilities (military)

Black sky events

Asteroid or comet impact

Solar flares and geo-magnetic storms

Orbital debris (Kessler syndrome)

Competition over lunar/asteroid resources

Collapse of air or ocean currents

Gamma-ray bursts

Supervolcanic eruptions

Future technologies

Particle physics events

Unknown cosmic dangers

New pathogens

Cascading environmental catastrophes