| Terms for subject Environment (8456 entries) |
| Iberian lynx | linsce Ibéarach | |
| Ibiza wall lizard | laghairt bhallaí Ibiza | |
| ice (The dense substance formed by the freezing of water to the solid state; it commonly occurs in the form of hexagonal crystals) | oighear | |
| ice pack (Large areas of floating ice, usually occurring in polar seas, consisting of separate pieces that have become massed together) | pacoighear | |
| iceberg (A large mass of detached land ice floating in the sea or stranded in shallow water) | cnoc oighir | |
| identification of pollutants (The determination of the specific substance or substances that are causing pollution) | truailleáin a aithint | |
| identified use | úsáid shainaitheanta | |
| ideology (A body of ideas that reflects the beliefs and interest of a nation, political system, etc. and underlies political action) | idé-eolaíocht | |
| ILCD Data Network | an Líonra Sonraí um Chóras Idirnáisiúnta de Shonraí Tagartha ar Smaointeoireacht Saolré | |
| ILCD DN | an Líonra Sonraí um Chóras Idirnáisiúnta de Shonraí Tagartha ar Smaointeoireacht Saolré | |
| illegal transboundary traffic in hazardous wastes | gáinneáil neamhdhleathach trasteorann ar dhramhaíl ghuaiseach | |
| image classification (Processing techniques which apply quantitative methods to the values in a digital yield or remotely sensed scene to group pixels with similar digital number values into feature classes or categories) | rangú íomhánna | |
| image enhancement (In remote sensing, the filtering of data and other processes to manipulate pixels to produce an image that accentuates features of interest or visual interpretation) | feabhsú íomhánna | |
| image filtering (A remote sensing term related to image enhancement that refers to the removal of a spatial component of electromagnetic radiation) | scagadh íomhánna | |
| image processing (The process of converting "raw" remotely sensed data into a usable form through the application of various transformations such as supervised and unsupervised classification schemes) | próiseáil íomhánna | |
| image processing digital system (A coordinated assemblage of computer devices designed to capture and manipulate pictures stored as data in discrete, quantized units or digits) | córas digiteach próiseála íomhánna | |
| image registration (The process of linking map coordinates to control points with known earth-surface coordinates. Related term: coordinate systems) | clárú íomhánna | |
| IMCO code (CK!; Codes published by Intergovernmental Maritime Consultative Organisation (IMCO) relating to international shipping, particularly regarding safety and marine pollution) | cód IMCO | |
| immission (The reception of material, such as pollutants, by the environment and from any source) | inteachtaíocht | |
| immission | iontaíocht |