Proceedings of the International scientific and practical conference ―Cambridge Science and Education Conference‖ (May 15-17, 2026) / Publisher website: www.naukainfo.com. - Cambridge, United Kingdom, 2026. - 429 p.

174 The first function – creating shared terminology – is particularly important. Many key environmental concepts, such as ―carbon footprint‖, ―net zero‖, ―biodiversity offsetting‖, and ―ecosystem services‖, first appeared in English- language scientific literature and were later translated or adapted by speakers of other languages [7]. Having a shared vocabulary is essential for effective international environmental agreements, because it reduces the risk of misunderstanding about what key terms actually mean. The role of English in diplomatic negotiations is also very significant. During COP summits, most notably the talks that led to the Paris Agreement in 2015, English was the main language used by delegations from more than 190 countries. Using one shared language allows negotiators to find common ground more quickly and reduces the risk of misunderstandings caused by translation [5]. Regarding spreading knowledge, international environmental movements such as Fridays for Future and 350.org primarily communicate in English, which helps them reach supporters across many countries. Social media and digital platforms strengthen this pattern, making English-language content a key tool for global environmental activism [2]. Finally, the monitoring and reporting function is formally built into international frameworks. The Nationally Determined Contributions (NDCs) that countries submit under the Paris Agreement are written in English, making it easier to compare national commitments and allowing independent organizations to verify them. 4. STRUCTURAL INEQUALITIES AND CRITICAL PERSPECTIVES Despite these practical benefits, the dominance of English in global environmental communication also creates serious problems. Researchers and diplomats whose first language is not English face clear disadvantages in both publishing their work and taking part in negotiations. Amano et al. (2023) found that scholars from non-English-speaking countries publish much less frequently in leading international journals, even when their research is of comparable quality [6]. Another important concern is the marginalization of Traditional Ecological Knowledge (TEK). Indigenous communities around the world have built a large body