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O
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138
terms
oak
objection
obligation to inform
obligation to label
observation satellite
occupation
occupational disease
occupational group
occupational health
occupational health care
occupational medicine
occupational safety
occupational safety regulation
occupational status
ocean
ocean circulation
ocean current
ocean dumping
ocean exploitation
ocean outfall
ocean temperature
ocean-air interface
Oceania
oceanic climate
oceanography
odonate
odour
odour nuisance
off-peak commuting
off-peak travelling
off-peak working
off-site
offence against the environment
office
official duty
official hearing
offset policy (emissions trading)
offshore mining
offshore oil drilling
oil and fat industry
oil binding agent
oil boom
oil disaster
oil exploration
oil extraction
oil pipeline
oil pollution
oil pollution abatement
oil production (chain)
oil recovery vessel
oil refinery
oil refining
oil residue recuperation
oil shale
oil slick
oil spill
oil tanker
oil-based energy
old hazardous site
old landfill site
olfactometry
olfactory pollution
olive oil mill wastewater
on-line service
on-site wastewater treatment
onchocerciasis
oncology
ontogenesis
open lawn
open sea
open sea fishing
opencast mining
operating data
opinion
opinion survey
order
ordinance
ore
organ
organic carbon
organic chemistry
organic farming
organic matter
organic nitrogen
organic pollutant
organic pollution
organic solvent
organic substance
organic waste
organisation (law)
organisation of teaching
organisation of the legal system
organisation of work
organism
organochlorine compound
organohalogen compound
organoleptic property
organometallic compound
organonitrogen compound
organooxygen compound
organophosphorous compound
organosilicon compound
organosulphur compound
organotin compound
ornithology
orography
orthopteran
osmosis
outer space (allocation plan)
oven
overburden
overcrowding
overexploitation
overfertilisation
overfishing
overflow (outlet)
overgrazing
overhead power line
overpopulation
overturn (limnology)
overwintering
ovine
ownership
oxidation
oxidation-reduction
oxide
oxidisable material
oxidising agent
oxygen
oxygen content
oxygen deficiency
oxygenation
oyster farming
ozone
ozone depletion potential
ozone layer
ozone layer depletion
ozonisation