Skip to main content

Lesson 2 Global Warming

Page 1

Global Warming How concerned (and how green) should we be? Introduction •

When you hear the term global warming, what are some things that come to mind?

Poll: Is global warming real? (Even though this isn’t fair, you must answer yes or no!)

The Facts •

Carbon dioxide and other greenhouse gases have increased: 30% carbon dioxide and 30% carbon dioxide equivalents since about the time of the Industrial Revolution (mid-1800s).

Global temperatures have increased 1.2 degrees Fahrenheit during approximately the same time period.

The Key Issues in Dispute 1. How much of global warming has been caused by humans?

2. Will these trends continue?

3. What will happen if they do continue?

© 2016 Northwestern Publishing House. All rights reserved. Reprinted by permission.

1


Turn static files into dynamic content formats.

Create a flipbook
Lesson 2 Global Warming by gracelutheransaz - Issuu