| Subject | English | Catalan |
| environ. | bush clearing The removal of brush using mechanical means, either by cutting manually or by using machinery for crushing, rolling, flailing, or chipping it, or by chemical means or a combination of these | eliminació de matolls |
| environ. | clearing sludge | sediment de neteja |
| environ. | information clearing-house A central institution or agency for the collection, maintenance, and distribution of materials or data compiled to convey knowledge on some subject | centre de distribució d'informació |
| environ. | land clearing Removal of trees, undergrowth, etc. in preparation for ploughing, building, etc. | neteja de terres |
