During the United Nations Climate Change Conference 2009 (COP15), there was a rival conference in Copenhagen for sceptics, called the Copenhagen Climate Challenge. which was organised by the Committee for a Constructive Tomorrow

Committee for a Constructive Tomorrow

The Committee for a Constructive Tomorrow is a conservative Washington, D.C.-based non-profit organization whose stated mission is to promote free market solutions to environmental problems...

.

While COP15 attracted 33,200 delegates, the rival sceptic conference was attended by 60 people (15 journalists, 18 speakers, 27 audience). According to Lenore Taylor of The Australian

The Australian

The Australian is a broadsheet newspaper published in Australia from Monday to Saturday each week since 14 July 1964. The editor in chief is Chris Mitchell, the editor is Clive Mathieson and the 'editor-at-large' is Paul Kelly....

, the attendees had an average age "well over 60". In closing his speech, Plimer stated that “They’ve got us outnumbered, but we’ve got them outgunned, and that’s with the truth.” Plimer also stated that "It's been freezing in Perth and bucketing down". Perth

Perth, Western Australia

Perth is the capital and largest city of the Australian state of Western Australia and the fourth most populous city in Australia. The Perth metropolitan area has an estimated population of almost 1,700,000....

had below average rainfall in 2009, and temperatures of 38 °C (100.4 °F) were forecast for December 13.