Earth's climate is a complex system controlled by many factors. This Click and Learn will examine the two most important factors: solar radiation and the composition of Earth's atmosphere. Worksheet available in Spanish.
A Spanish version of the worksheet is also available for download (en Español).
The history of Earth's climate over millions of years, during both warmer and colder periods, sheds light on the causes, implications, and severity of current climate change. Developed in support of the 2012 HHMI Holiday Lectures on Science Changing Planet: Past, Present, Future.
Download the accompanying worksheet to guide students’ exploration of the Click and Learn.