Harold R. Hungerford

1928

• Ecology
• Ecology: the circle of life
• Exploring and understanding our changing earth
• Investigating and Evaluating Science, Technology & Society
• Science in the elementary school
• Essential Readings in Environmental Education
• Exploring and understanding science and the scientist
• Investigating and Evaluating Environmental Issues and Actions
• Investigating and Evaluating Environmental Issues and Actions Skill Development Modules
• Investigating and Evaluating Environmental Issues and Actions Skill Development Program
• Procedures for developing an environmental education curriculum
• Science teaching methods for the elementary school