EARTh - Environmental Applications Reference Thesaurus

  1. O USE oxygen
  2. O horizon
  3. O2
  4. O3 USE ozone
  5. oasis
  6. obligation
  7. obligation to inform
  8. obligation to label
  9. observation satellite
  10. observation wells
  11. observatory
  12. observed emissions
  13. observer-observed relationship
  14. occupation
  15. occupational accident USE work accident
  16. occupational category
  17. occupational disease
  18. occupational environment
  19. occupational exposure
  20. occupational health USE occupational medicine
  21. occupational health and safety
  22. occupational health care USE occupational medicine
  23. occupational hygiene
  24. occupational medicine
  25. occupational safety
  26. occupational safety regulation
  27. occupational stress
  28. occupational training
  29. ocean
  30. ocean basin
  31. ocean bottom seismographs
  32. ocean circulation
  33. ocean closure
  34. ocean conveyor belt USE thermohaline circulation
  35. ocean current
  36. ocean dumping
  37. ocean exploitation
  38. ocean opening
  39. ocean outfall
  40. ocean ridge
  41. ocean temperature
  42. ocean thermal energy
  43. ocean water
  44. oceanic circulation USE ocean circulation
  45. oceanic climate
  46. oceanic crust
  47. oceanic trenches
  48. oceanic water USE ocean water
  49. oceanographic campaign
  50. oceanographic hazard
  51. oceanographic parameters
  52. oceanographic processes
  53. oceanographic ships USE oceanographic vessels
  54. oceanographic vessels
  55. oceanography
  56. oceanologist
  57. oceanology USE oceanography
  58. odonate
  59. odorant
  60. odour
  61. odour component
  62. odour nuisance
  63. oestrogen
  64. off-peak commuting
  65. off-peak travelling
  66. off-peak working
  67. off-road vehicle USE all-terrain vehicles
  68. off-site
  69. offence against the environment
  70. office building
  71. officinal plants USE medicinal plant
  72. offset projects
  73. offshore
  74. offshore bar
  75. offshore drilling
  76. offshore drilling rig
  77. offshore gas industry
  78. offshore mining
  79. offshore oil deposit
  80. offshore oil drilling
  81. offshore outfall
  82. offshore structure
  83. oil USE petroleum
  84. oil and fat industry
  85. oil and gas platform
  86. oil binding agent
  87. oil boom USE oil spill boom
  88. oil disaster
  89. oil drilling
  90. oil drilling platform
  91. oil exploration
  92. oil extraction
  93. oil fire
  94. oil industry USE petroleum industry
  95. oil pipeline
  96. oil pollution
  97. oil pollution abatement
  98. oil production chain
  99. oil recovery vessel
  100. oil refinery
  101. oil refining
  102. oil residue recuperation
  103. oil rig USE oil well drilling rig
  104. oil sand USE tar sand
  105. oil seed
  106. oil shale
  107. oil slick
  108. oil spill
  109. oil spill boom
  110. oil spill clean-up polymer
  111. oil spill dispersion
  112. oil storage
  113. oil tank
  114. oil tankers
  115. oil technology
  116. oil well drilling rig
  117. oil wells
  118. oil-based energy
  119. oilseed plant
  120. old growth forests
  121. old hazardous site
  122. old housing
  123. old landfill site
  124. old river course
  125. old town restoration
  126. old trades
  127. oleaginous
  128. oleaginous plant
  129. olefin USE alkenes
  130. olfactive pollution USE olfactory pollution
  131. olfactometry
  132. olfactory organ
  133. olfactory pollution
  134. oligosaccharide
  135. oligotrophic lake
  136. olistolith
  137. olistostrome
  138. olive grove
  139. olive growing
  140. olive oil mill waste water
  141. olive vegetable water
  142. olivine
  143. ombudsman
  144. omnivorous
  145. omnivorous animal
  146. on-farm forestry sequestration
  147. on-line service
  148. on-line training
  149. on-site
  150. on-site conservation
  151. on-site culture
  152. on-site farming
  153. on-site waste water treatment
  154. onchocerciasis
  155. oncogenic substances USE carcinogenic substances
  156. oncology
  157. one-dimensional model
  158. one-family house USE single family dwelling
  159. oneirism
  160. ontogenesis
  161. oolite
  162. opal
  163. open channel flow
  164. open fracture
  165. open sea
  166. open sea fishing
  167. open space
  168. open spaces
  169. open system
  170. open systems model
  171. open-loop recycling
  172. open-pit mine
  173. opencast mining
  174. operating cost
  175. operating data
  176. operating procedure
  177. operating system
  178. operating theatre
  179. operational centre
  180. operational planning
  181. opinion
  182. opinion survey
  183. opportunity cost of capital
  184. optical instruments
  185. optical mineralogy
  186. optical spectra
  187. optical spectroscopy
  188. optimal policy
  189. oral route
  190. orbit
  191. orchards
  192. ordinary industrial waste
  193. ore
  194. ore deposit USE mineral deposit
  195. ore mining USE mining
  196. ore-forming fluid
  197. organ
  198. organic acid
  199. organic aerosol
  200. organic carbon