| allegation | accusation |
| comprehensive | complete |
| contaminate | to make impure or unclean |
| deforestation | the cutting down or elimination of forests |
| discard | to throw away something unwanted |
| discharge | to send out (esp. waste matter) |
| drought | period of time when there is a lack of water |
| encephalitis | a swelling of the brain |
| encroach | to enter and take control of an area where one has no right |
| generations | several periods of time in a family when babies have become adults |
| hide | the skin of an animal |
| hinder | to make progress difficult |
| innocence | lack of understanding or experience |
| landfill | a place where rubbish is buried |
| leukaemia | a blood disease |
| logging | the cutting down of trees |
| materialistic | wanting to have money and possessions |
| menace | danger |
| motive | motive |
| overlap | to cover partly |
| phuyaiban | Thai: village headman |
| probe | investigation |
| remnant | remains |
| reserve | an area of land that is set aside to protect something (esp. wildlife or plants) |
| revoke | to say officially that a rule or law is no longer in effect |
| sanitary | clean and not dangerous to health |
| solvent | a liquid in which solids will dissolve |
| stench | very bad smell |
| tannery | a place where leather is made |
| toxic | poisonous |
| tuberculosis | a lung disease |