Lesson 1
Introduction to Earth's Climate

Image Courtesy of NASA
In today's society, terms like "climate change" and "global warming" have become politicized and controversial. Evaluating these terms and the controversy behind them requires a thorough scientific understanding of climate and its influencing factors.
The weather and climate we experience result from complex chemical, physical, and biological processes; we must understand these processes and our effect on them if we desire to live responsibly and sustainably on the planet we call home.