character: Rachel Carson
topic: Research on DDT and its environmental consequences
grade: 8
subject: Social Studies
LearnActions
SearchCreate
character: William Ruckelshaus
topic: Regulatory actions on DDT in the U.S.
grade: 8
subject: Social Studies
LearnActions
SearchCreate
character: David Pimentel
topic: Impact of DDT on biodiversity
grade: 8
subject: Social Studies
LearnActions
SearchCreate
character: Paul J. Crutzen
topic: Global effects of pesticide use including DDT
grade: 8
subject: Social Studies
LearnActions
SearchCreate