Question: Who is the author and Foreign Affairs columnist for the "New York Times" that wrote both Hot, Flat and Crowded and The World is Flat? Thomas L. Friedman 
Sentence (from "Hot, Flat, and Crowded"): Hot, Flat, and Crowded: Why We Need a Green Revolution—And How It Can Renew America is a book by "New York Times" Foreign Affairs columnist Thomas Friedman, proposing that the solutions to global warming and the best method to regain the United States' economic and political stature in the world are to embrace the clean energy and green technology industries.
Relevant evidence: Yes