The forlorn and increasingly desperate climate campaign achieved a new level of ineptitude last week when what had looked like a minor embarrassment for one of its critics​—​the Chicago-based Heartland Institute​—​turned out to be a full-fledged catastrophe for itself. A moment’s reflection on the root of this episode points to why the climate campaign is out of (greenhouse) gas.

Jeremy Grantham may not be profiting from climate alarmism yet, but he is guilty of talking his own book, as he makes big philanthropic investments in climate science alarmism.

Alarmist climate scientists are increasingly the object of derision by people with enough power to reach even the general public.

Finding plasticizers in dust is neither surprising nor necessarily a cause for alarm. Evidence that phthalates cause harm in humans is scientifically thin, and campaigners never directly address that hypothesis.

Climate Research Unit e-mails suggest that its scientists have been suppressing and misstating data.

Former vice president Al Gore's global warming claims may be too extreme.

Most Americans still believe air pollution is a growing problem and a serious threat to their health. In reality, air quality in America's cities is better than ever.

In the rush to confront climate change, many people are focused on curbing America, but only a confident and uncurbed America will ever be in a position to act prudently to address the problem.