Informative speech

Today, you received an invitation from the president of the school board asking you to deliver an informative speech at Everytown High School. Because students at Everytown High School are currently studying Global Warming, the president of the school board would like for you to address this topic as well.

Review the sources listed below and choose the one you would use in your informative speech. Explain why the source is a good choice.

Option A: A book entitled The Guide to Global Warming (published in 2015)

Option B: A pre-recorded interview with an employee at the Smithsonian Environmental Research Center

Option C: A documentary film explaining Global Warming