Brilliant site that is a mixture of a database of people and corporations and governments etc. and tools to "connect the dots" between them.
For example, take a look at How Fracking Special Interests Infiltrate the UK Parliament
See also: My Little Crony
Auroral radio emissions are associated with the Northern Lights or Aurora. The most intense of these emissions is a phenomenon called Auroral Kilometric Radiation (AKR). It is produced in the auroral zones at an altitude between 3000 and 20 000 kilometres.
The City of York Council provides lots of data about all sorts of things in your area, such as spending or footfall numbers in the town in .csv format.
There are even .kml files of listed trees, or where litter bins are, that can be imported into Google My Maps or Google Earth.