Plastic bottles are everywhere! About 70% of the plastic water bottles bought in the U.S. are not recycled, and end up in the oceans. It seems obvious that using fewer plastic water bottles would be a good thing for our environment, but sometimes the alternatives can have negative consequences. Do the costs of banning plastic bottles outweigh the benefits?

This collection uses primary sources to explore the Wounded Knee Massacre. Digital Public Library of America Primary Source Sets are designed to help students develop their critical thinking skills and draw diverse material from libraries, archives, and museums across the United States. Each set includes an overview, ten to fifteen primary sources, links to related resources, and a teaching guide. These sets were created and reviewed by the teachers on the DPLA's Education Advisory Committee.

This collection uses primary sources to explore the Yellow Fever Epidemic of 1878. Digital Public Library of America Primary Source Sets are designed to help students develop their critical thinking skills and draw diverse material from libraries, archives, and museums across the United States. Each set includes an overview, ten to fifteen primary sources, links to related resources, and a teaching guide. These sets were created and reviewed by the teachers on the DPLA's Education Advisory Committee.