
384 Engineering Response to Climate Change
useful resources will generate growing off-earth prots and net new wealth
that index humankind’s growing independence from the ancient, limited
resources of its birthplace.
Acknowledgments
It is a pleasure to acknowledge the comments on early drafts by
Prof. Robert G. Watts of Tulane University (Department of Mechanical
Engineer ing, retired), New Orleans, Louisiana, and by my clear-minded,
determined editor Paula R. Criswell.
Questions for Discussion
The text and references in this chapter provide data and hints to answering
the following questions. Some answers are based on solutions to previous