When it comes to the field of technology and the environment, the words "tech mar environ sci" encompass a broad range of subjects. Thankfully, there are numerous synonyms that can be used to express the same concept. For example, "technology" can be replaced with terms like "innovation", "engineering" or "digital advancements". Similarly, "marine" can be substituted with "oceanic", "aquatic" or "nautical". As for "environment", other words such as "ecosystem", "natural surroundings" or "biosphere" can be utilized. Lastly, "science" can be interchanged with "research", "study" or "discipline". By employing these synonyms, one can convey the same meaning while adding variety and precision to their language.