Biomass to liquid
biomass use
biomethane
biomonitoring
biopersistence
biopharmaceutical
biopiracy
bioplastic
bioprospecting
bioreactor
biorefinery
biosphere reserve
biosynthesis
biotechnology
biotest
biotope
biotope maintenance
biotope mapping
biotope network
biotope protection
biotope protection programme
biotope type
biotransformation
biowaste
biowaste fermentation
Biowaste Ordinance
biphenyl
bird
bird die-off
bird of prey
bird protection
bird ringing
bird sanctuary
bird strike
Bisphenol A
bitumen
black carbon
black coal
black liquor
Black Sea