| Subject | English | Spanish |
| environ. | environmental engineering Branch of engineering concerned with the environment and its proper management. The major environmental engineering disciplines regard water supply, wastewater, stormwater, solid waste, hazardous waste, noise radiology, industrial hygiene, oceanography and the like | ingeniería ambiental |
| environ., el. | environmental engineering | ingeniería ambiental |
| environ. | environmental engineering | ingeniería climática |
| ed. | environmental engineering | ingenierìa ambiental |
| ed. | environmental health engineering | ingenierìa sanitaria ambiental |
| environ. | environmental security engineering | ingenieria de seguridad ambiental |
| ed., environ., USA | Pan American Centre for Sanitary Engineering and Environmental Sciences | Centro Panamericano de Ingeniería Sanitaria y Ciencias del Ambiente |
| environ., el. | planetary environmental engineering | ingeniería ambiental planetaria |