Scotland on Sunday: MORE than 600 self-confessed climate sceptics met in a Times Square hotel in New York this month to challenge what has become a broad scientific and political consensus: that without big changes in energy choices, humans will dangerously heat up the planet. The three-day International Conference on Climate Change – organised by the Heartland Institute, a nonprofit group seeking deregulation and unfettered markets – brought together political figures, conservative campaigners, scientists, an …