Subject Headings are terms or phrases that best summarize the overall contents of a work and provide access to its most important topics. The scope of this class - environmental history in Africa - provides you with a great starting point, since it defines both a general theme and place of your historical inquiry. For example, if you haven't already pinpointed your topic, the Library of Congress Subject Heading Human Ecology OR Human Ecology -- History would lead you to some great initial sources. Conducting a search for this phrase will lead you to information/ research that examines the relationship of humans to the natural environment.
Additional search terms include the outcome of human activity on the environment, such as DEFORESTATION or DESERTIFICATION.
Or the environmental impact of the human activity itself, such as logging or agriculture: LOGGING AND ENVIRONMENTAL ASPECTS OR AGRICULTURE AND ENVIRONMENTAL ASPECTS
