What was the Little Ice Age Climate Period from the 14th to 19th Centuries and Why Do We Care? 

Before the 20th century, from about 1400 AD to 1900 AD, glaciers were larger and climate was much colder than present. This period is known as the Little Ice Age in Europe and North America, and studying it might help us learn about present climate changes.
Presenter: Mike Kaplan, Lamont Research Professor, Lamont-Doherty Earth Observatory
Target Audience: Grades 9-12