Discuss the connection between generational conservation and what it means to one member of a generation versus another.

How does conservation compare today with the views of the narrator? Are his views outdated?

Compare and contrast the conservation of a native tree compared to that of a foreign tree that has been around for at least a century. Should we get rid of newer trees and plant the originals?

Scientists in this day were most concerned with progress. Can progress be defined in the same way as it was then?

Are hunters who use mechanized gadgets really wrong for doing so? What if this is the only way they can enjoy nature, because they simply aren't naturally good hunters?

Some fish have become so aware of gadgets that they avoid them, and have evolved to recognize certain lures and smells. If people were to...