Aviation

Track stuff in the air

Guide to airports and their specs http://airnav.com/airports/
Track most any plane in the air http://planefinder.net/
Maps/geographic companion to Cryptome: http://www.cartome.org/
Russian cheap software SKYGRABBER was used in Iraq to track Predator spy drones
Space News Daily blog

Heavy Weather
Hurricane Tracker
Live Earthquake Mashup
Biblioteca Pleyades' Useful Information - page has lots of links to solar weather, pole shift stuff, etc.
http://www.dutchsinse.com/blog/ Predictions of device-induced weather, etc.

Radiation monitoring (independent)
http://radiationnetwork.com/
http://www.blackcatsystems.com