Modern Chemistry
Chapter 12: Energy and the Environment
Measuring Global Temperatures
Look at how average global temperatures from both the recent and distant past are measured. Duration: 6:31.
The Greenhouse Effect
A description of how greenhouse gases help to keep our planet warm and how excess greenhouse gases help to make our planet even warmer. Duration: 8:01.
Runaway Feedback Loops
Examples of both negative and positive feedback loops and how they play a role in global climate. Duration: 8:28.
Watch these additional videos to complete this tutorial.
