It was refreshing to see Michael Grunwald [“Warming to the Inconvenient Facts,” Outlook, July 23] acknowledge that sharply cutting greenhouse gas emissions is not a trivial exercise but would require us to “change the way we think about transportation, agriculture, development, water resources, natural disasters, foreign relations and more.”

Visiting Fellow Kenneth P. Green

While the would-be greenhouse gas police will continue to wave away critics, the inconvenient truth is that greenhouse gas reduction is not simply a matter of plugging in compact fluorescent bulbs or driving hybrid cars--it's a matter of having the government impose controls over virtually all energy-related aspects of our daily lives.

Yes, the climate is changing. Yes, humans may be partially responsible. Now, let's have a serious discussion of what it means to respond intelligently.

Kenneth P. Green is a visiting fellow at AEI.