Subject searches to find commentary on SOLO
If you want domestic environmental law use Environmental law + jurisdiction eg Environmental law Australia
If you want EU law use Environmental law European Union for works published post 1995. (Earlier works Environmental law European Union Countries)
Environmental law, International
Climatic changes -- Law and legislation
SOLO searches will reveal other works available online: below is a sample.
(Kluwer's) International Encyclopaedia of laws ed Blanpain is now being produced in individual monographs for individual jurisdictions.
To find them, search SOLO for "international encyclopaedia environmental" anywhere in the record + name of jurisdiction