| Subject | English | Catalan |
| environ. | applied ecology The application of ecological principles to the solution of human problems | ecologia aplicada |
| environ. | applied nutrition Putting to use general principles of the science of human nourishment to address or solve specific problems | nutrició aplicada |
| environ. | applied research Research directed toward using knowledge gained by basic research to make things or to create situations that will serve a practical or utilitarian purpose | recerca aplicada |
| environ. | applied science Science whose results are employed in technical applications | ciència aplicada |