Some business leaders are cozying up with politicians and scientists to demand swift, drastic action on global warming. This is a new twist on a very old practice: companies using public policy to line their own pockets.

The tight relationship between the groups echoes the relationship among weapons makers, researchers and the U.S. military during the Cold War. President Dwight Eisenhower famously warned about the might of the "military-industrial complex," cautioning that "the potential for the disastrous rise of misplaced...