What are the lasting environmental impacts of Johnson’s “Great Society” legislation? Objective During this lesson plan students will identify important legislation passed by President Lyndon B. Johnson to encourage revitalization and conservation of the environment. In addition, students will analyze primary sources to understand environmental issues of the 1960s. Finally, students will determine the overall impact of environmental initiatives created by President Johnson and how they relate to present-day environmental issues. Background This lesson plan serves as an introduction to President Duration: 60 Minutes.