- I Am With You: The Earth Wants to Speak with Us
- Ice
- Ideas to Save the Planet: I'm On It!
- Ideen zu einer Physiognomik der Gewächse
- Ignorance and Surprise
- Im Wald
- Impactos ambientais
- IMPACTOS AMBIENTAIS OCASIONADOS POR ATIVIDADES ANTRÓPICAS NA ÁREA DE PRESERVAÇÃO PERMANENTE – APP
- Impacts des sons anthropiques sur la faune marine
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