Within the sermon a video was played which you can view below since it is NOT in the PowerPoint.
Pastor Mike mentioned a RadioLab Podcast on the Forest, titled, "From Tree to Shining Tree" [Click to open in new window]. Or listen below.
Click on images to view PowerPoint as you listen.
This video plays just plays the first 7 and 1/2 minutes of the BBC's Planet Earth, "Fresh Water", 2006. It is available on Netflix.