General Ecological Behavior (GEB) scale, a measurement instrument to assess self-reported pro-environmental behavior (e. g. Kaiser & Wilson, 2004) and environmental attitude (e. g. Kaiser, Hartig, Brügger & Duvier, 2013), respectively.
You can find the up-to-date version of the GEB here.
An R script to analyze GEB data is available here.
This script can be adapted to other data sets.
Please report any errors and problems to GEB@ovgu.de.