http://www.oecd.org
The homepage of the International Organization for Economic Co-operation and Development, located in Paris. There are different pages with documents related to Green Budget Reform.

http://www.wuppertal-forum.de/wuppertal-bulletin/WBe/Overview.htm
Here you can find the online version of the quarterly newsletter "Wuppertal Bulletin on Ecological Tax Reform", which is issued by the Wuppertal Institute for Climate, Environment and Energy, Germany. The newsletter is available in English and German.

http://www.mst.dk/books/moe/contents.htm Here you can find a text from the publication ÒEnvironmental Administration in DenmarkÓ about the Danish charge and levy system (Chapter 12) written by Morgens Moe.

http://tiger.eea.eu.int, or: http://www.eea.dk
There are pages on Green Budget Reform related issues on different pages. The best is to use the search function.
Two specific links on this website are:
http://tiger.eea.eu.int/document/NLetPR/NewsLet
http://tiger.eea.eu.int/document/Issuerep/EnvTaxes

http://www.hiid.harvard.edu/pub/ddps90no.htm
Find here a list of Development Discussion Papers, which include the Environment Discussion Papers which were published by the Harvard Institute for International Development since 1990. Several Environment Discussion Papers are dealing with Green Budget Reform related issues in CEE and NIS countries.

http://iisd1.iisd.ca/greenbud
This site contains a wide variety of information to Green Budget Reform related issues. It is provided by the International Institute for Sustainable Development (IISD), located in Canada. You can find case studies, an annotated bibliography, a matrix of policies and instruments, etc...