- 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
- Igapó (Black-water flooded forests) of the Amazon Basin
- Ignorance and Surprise
- Im Wald
- Impact of Biological Invasions on Ecosystem Services
- Impactos ambientais
- IMPACTOS AMBIENTAIS OCASIONADOS POR ATIVIDADES ANTRÓPICAS NA ÁREA DE PRESERVAÇÃO PERMANENTE – APP
- Impacts des sons anthropiques sur la faune marine
- Impacts of Point Polluters on Terrestrial Biota
- Impaired Wetlands in a Damaged Landscape
- Imperativo sostenibilità
- Imperial Biologists
- Imperiled Reef
- Improving Potassium Recommendations for Agricultural Crops
- In Defense of Plants
- In Search of the Causes of Evolution
- In the Search of the Lost Pearl
- In vitro Plant Breeding towards Novel Agronomic Traits
- Indian Hotspots
- Indian Pandanaceae - an overview
- Individual-based Modeling and Ecology
- Information Technologies in the Research of Biodiversity
- Infrastructure and Environment
- Inheritors of the Earth
- Innovations in Information and Communication Technologies (IICT-2020)
- Insect Conservation and Australia’s Grasslands
- Insect conservation and Australia’s Inland Waters
- Insect Metamorphosis
- Insect Mouthparts
- Inside Fridays for Future
- Integrated Modelling of Ecosystem Services and Land-Use Change
- Integrated Risk of Pandemic: Covid-19 Impacts, Resilience and Recommendations
- Integrated Water Resources Management: Concept, Research and Implementation
- Integrative Biological Control
- Integrative Observations and Assessments
- Integrodifference Equations in Spatial Ecology
- Intelligent Soil Management for Sustainable Agriculture
- Interactions Between Biosphere, Atmosphere and Human Land Use in the Amazon Basin
- International Conservation Law
- International Marine Mammal Law
- International Yearbook of Soil Law and Policy 2018
- Into the Illusive World
- Introduction to Agroecology
- Introduction to Bayesian Methods in Ecology and Natural Resources
- Introduction to Population Biology
- Introduction to Population Ecology
- Introduction to R for Terrestrial Ecology
- Introduction to WinBUGS for Ecologists (Enhanced Edition)
- Invasion Dynamics
- Invasion Ecology
- Invasion Genetics
- Invasion of Woody Legumes
- Invasiones biológicas en Chile
- Invasive Alien Species
- Invasive and Introduced Plants and Animals
- Invasive Predators in New Zealand
- Invasive Species
- Invasive Species in Forests and Rangelands of the United States
- Invertebrates in Freshwater Wetlands
- Investing in Natural Capital
- Inégalités écologiques, territoires littoraux & développement durable
- Island Life
- Islands Beyond the Horizon
- Islands in the Sand
- Islands of Abandonment
- Isotopes and the Natural Environment