The article discusses the potential for Donald Trump to adopt carbon levies as part of a protectionist agenda, particularly through the Foreign Pollution Fee Act proposed by Senators Bill Cassidy and Lindsey Graham. This bill aims to impose carbon emission-linked levies on imports, particularly targeting countries like China, while benefiting US manufacturers with smaller carbon footprints. However, despite potential revenue generation and international credibility, the bill may not significantly impact global emissions and could lead to increased US industrial emissions.