Useful info

https://navigator.emis.vito.be/milnav-consult
Navigation and search site for Flemish environment legislation

http://www.lne.be/en
Environment, nature and energy department of the Flemish government

http://imjv.milieuinfo.be (only available in dutch)
Integral annual environment report

https://en.vmm.be/
The website of the Flemish Environment Agency

http://eur-lex.europa.eu
The website of the European Union with all European legislations

http://ec.europa.eu/environment/index_en.htm
Website of the European Commission concerning environmental issues