Energy, Government, and Defense magazines
- Important Names and Addresses
 - In Harm's Way: Hurricanes, Population Trends and Environmental Change
 - Indian Schoolgirl Urges People to Drink Natural Beverages
 - Industrial Pollution
 - Industrial Water Use
 - Industrialization in Emerging Economies
 - Industry (Private Action and Initiatives)
 - Infectious Disease and Climate Change
 - Inland Fisheries
 - Insecticide Use
 - International Environmental Law
 - Introduction
 - IPCC 2007 Report
 - IPCC Climate Change 2007 Report
 - IPCC Climate Change 2007 Report: Criticism
 - IPCC Climate Change 2007 Report: Impacts, Adaptation and Vulnerability
 - IPCC Climate Change 2007 Report: Mitigation of Climate Change
 - IPCC Climate Change 2007 Report: Physical Science Basis
 - Iron Fertilization
 - Iron Fertilization
 
