The GiveWell Blog

Geomagnetic storms: Using extreme value theory to gauge the risk

This is the third post in a series about geomagnetic storms as a global catastrophic risk. A paper covering the material in this series was just released. My last post examined the strength of certain major geomagnetic storms that occurred before the advent of the modern electrical grid, as well as a solar event in 2012 that could have caused… Read More

Geomagnetic storms: History’s surprising, if tentative, reassurance

This is the second post in a series about geomagnetic storms as a global catastrophic risk. A paper covering the material in this series was just released. My last post raised the specter of a geomagnetic storm so strong it would black out electric power across continent-scale regions for months or years, triggering an economic and humanitarian disaster…. Read More

Geomagnetic storms: An introduction to the risk

This is the first post in a series about geomagnetic storms as a global catastrophic risk. A paper covering the material in this series was recently released. The Open Philanthropy Project has included geomagnetic storms in its list of global catastrophic risks of potential focus. To be honest, I hadn’t heard of them either. But… Read More